William I, Count of Nevers 1040 - 1100, eldest son of Rainald I, Count of Nevers, and his wife Adelaide Capet, daughter of Robert II ' the Pious ', King of France
(b. c1025 - d. June 20, 1100, Nevers, Nivernais)
Buried in Church of St Stephen, Nevers
married c1040
Ermengarde of Tonnerre, the daughter of Rainard, Count of Tonnerre, and his wife Hervize, daughter of Anselm II, Count of Noyon, Ile de France
(b. c1025 - d. after 1091)

Their Children

Generation 1
(1 - 1)

1. Rainald II, Count of Nevers, co-ruler with his father, Seigneur of Mailly and Hubans
(b. c1046 - d. Aug 5, 1089)
married (1) c1063
Agnes of Beaugency, the daughter of Lancelin II, Seigneur of Beaugency, and his wife Alberga N
(b. c1047 - d. c1070)
married (2) c1071 (her first)
Ida Raymonde of Forez, the daughter of Artaud IV, Count of Lyon and Forez, and his wife Ida Raymonde de la Forez, of Provence. Countess Ida Raymonde remarried (2) Guigues Raymond, Count d'Albon
(b. c1055 - d. c1106)

For their children see Generation 2 - 1

2. Helewise of Nevers (Eloise)
(b. c1048 - d. 1114, Anjou)
married c1065
William, Count of Evreux 1067 - 1118, the son of Richard, Count of Evreux, and his first wife Godehildis of Barcelona (Adelaide), the widow of Roger I, Seigneur de Tosny
(b. c1045 - d. 1118, Anjou)
d.s.p.

3. William of Nevers, Count of Tonnerre
(b. c1050 - d. before 1091)
married
NN

For their children see Generation 2 - 2

4. Ermengarde of Nevers
(b. c1051 - d. after 1091)
married 1067
Hubert, Viscount of Maine, the son of Raoul V, Viscount of Beaumont-sur-Sarthe and Maine, and his first wife Emma de Montrevault, Dame de Lude, the daughter of Stephen de Montrevault
(b. c1044 - d. before 1095)

For their children see Generation 2 - 3

5. Robert of Nevers, Count and Bishop of Auxerre 1076 - 1092.
(b. c1053 - d. 1092)

6. Sybil of Nevers (Yolande)
(b. 1058 - d. 1078, Abbey of Cluny, Burgundy)
Buried at Cluny
married c1075
Hugh I, Duke of Burgundy 1076 - 1078, who abdicated in order to become a monk, the son of Henry, Duke of Burgundy, and his wife Sibylla, the daughter of Berengar Ramon I, Count of Barcelona.
(b. c1056 - d. Aug 29, 1093, Abbey of Cluny, Burgundy)
Buried at Cluny
d.s.p.

Generation 2
(2 - 1)

1. (first marriage) William II, Count of Nevers 1100 - 1146, abdicated and became a monk at the Abbey of La Grande Chartreuse.
(b. c1067 - d. 1149, La Grande Chartreuse, Nevers)
married c1099
Adelaide N
(b. c1083 - d. after 1146)

For their children see Generation 3 - 1

2. Robert of Nevers
(b. c1070 - d. c1101, in Palestine, whilst on crusade)
d.s.p.

3. (second marriage) Ermengarde of Nevers
(b. c1073 - d. after 1100)
married c1088
Miles, Seigneur of Courtenay, the son of Joscelin I, Seigneur de Courtenay and de Chateau-Renard, and his second wife Elisabeth (Isabel), daughter of Guy I, Seigneur de Montlhery and de Chevreuse (later wife of Gautier de Saint-Valery)
(b. c1069, Courtenay, Loiret - d. after 1127)

For their children see Generation 3 - 2

(2 - 2)

1. Lucia of Nevers (Alsinde)
(b. c1080 - d. after July 5, 1116)
married c1095
Aymon II ' Vairvache ', Seigneur of Bourbon, the son of Archambaud IV, Seigneur of Bourbon, and his second wife Beliarde N
(b. c1079 - d. July 5, 1116)

For their children see Generation 3 - 3

(2 - 3)

1. Raoul VII, Viscount of Beaumont, Fresnay and Sainte-Suzanne
(b. c1070 - d. before 1125)
Buried at Abbey of Etival
married 1095
Adenor de Laval, the daughter of Guy II, Seigneur de Laval
(b. c1080 - d. before 1125)

For their children see Generation 3 - 4

2. Hubert de Beaumont

3. William de Beaumont

4. Denis de Beaumont

5. Godehildis de Beaumont
Abbess of Etival
(d. after 1125)

Generation 3
(3 - 1)

1. William III, Count of Nevers 1146 - 1161
(b. c1103 - d. 1161)
Buried at Abbey of St Germanus, Auxerre
married c1138
Ida of Carinthia (not Matilda), the daughter of Engelbert II, Duke of Carinthia, and his wife Uta, daughter of Conrad, Count of Passau
(b. c1119 - d. May 5 or 25, 1178)
Buried in Abbey of St Germanus, Auxerre

For their children see Generation 4 - 1

2. Rainald, Count of Tonnerre
(b. c1106 - d. 1148, Laodicea, Palestine, imprisoned, having been captured whilst on crusade)

3. Anne of Nevers
(b. c1110 - d. after 1161)
married c1127
William IX ' the Old ', Count of Auvergne 1135 - 1182, the son of William VIII, Count of Auvergne, and his wife Emma of Hauteville, the daughter of Roger I, Count of Sicily
(b. c1105 - d. 1182)

For their children see Generation 4 - 2

4. Robert of Nevers
(b. c1113 - d. after 1134)

(3 - 2)

1. Rainald de Courtenay, exiled from France (1150), Lord of Sutton, Berkshire, England
(b. c1100, Courtenay, Orleanais (Loiret) - d. 1161, England)
married c1121
Hawise du Donjon, the daughter of Frederick du Donjon, of Yerre, Sire of Corbeil
(b. c1105, Donjon Castle, Corbeil, near Melun, Ile de France - d. after 1155)

For their children see Generation 4 - 3

2. Hugh de Courtenay
(d. after 1144)

(3 - 3)

1. Archambaud VII ' the Strong ', crusader in 1147
(b. c1110 - d. 1171)
married c1134
Agnes of Maurienne, the daughter of Umberto II, Count of Maurienne, and his wife Gisela, daughter of William I, Count of Burgundy, and later wife of Rainer, Marquis of Monferrat
(b. c1103 - d. after 1180)

For their children see Generation 4 - 4

(3 - 4)

1. Roscelin, Viscount of Beaumont
(b. c1100 - d. c1176)
married c1125
Constance Fitzroy, the illegitimate daughter of Henry I, King of England
(b. c1110 - d. after 1176)

For their children see Generation 4 - 5

2. Raoul de Beaumont

3. Gervais de Beaumont

4. Godehildis de Beaumont
unmarried, a nun
(d. after 1125)

5. Tiphanie de Beaumont
Abbess of La Charite
(d. after 1125)

6. Guillaume de Beaumont

Generation 4
(4 - 1)

1. William IV, Count of Nevers, Auxerre, and Tonnerre 1161 - 1168
(b. c114 - d. Oct 24, 1168, Palestine)
Buried in Bethlehem, Palestine
married 1167 (her first)
Eleanora of Vermandois, daughter of Raoul I, Count of Vermandois, and his second wife Petronilla, daughter of William X, Duke of Aquitaine. Eleanora remarried (2) (1170) Matthew I, Count of Boulogne (d. 1173) : (3) (1175) Matthew III, Count of Beaumont (d. 1208), and (4) (1210) Stephen of Sancerre, Seigneur de Chatillon (d. after 1219).
(b. Nov/Dec, 1152 - d. 1223)
d.s.p.

2. Adelaide of Nevers (Adela)
(b. c1144 - d. after 1192)
married c1162
Raynald IV (Renaud), Count of Joigny, Othe, in Champagne, the son of Raynald III, Count of Joigny
(b. c1127 - d. c1179)
For their children see Generation 5 - 1

3. Guy I, Count of Nevers, Auxerre, and Tonnerre 1168 - 1176
(b. c1148 - d. Oct 19, 1176)
married before 1169 (her second)
Matilda of Burgundy, the widow of Odo III, Seigneur of Issoudon, and daughter of Raymond, Prince of Burgundy, and his wife Agnes, daughter of Guy de Thiern, Seigneur of Montpensier. Matilda remarried (3) Peter, Count of Flanders (d. 1176) and (4) Robert II, Count of Dreux (1154 - 1218) from whom she was divorced in 1181.
(b. c1144 - d. Dec 17, after 1210, a nun at Abbey of Sainte Marie, Fontevrault, Maine)

For their children see Generation 5 - 2

4. Raynald of Nevers, Seigneur de Decize
(b. c1151 - d. Aug 5, 1190, being killed at Acre, Palestine whilst on crusade)
married c1178
Adelaide of Beaujeu, Countess of Tonnerre (Alix), the daughter of Humbert IV ' the Young ', Seigneur of Beaujeu, and his wife Agnes of Montpensier, the widow of Prince Raymond of Burgundy.
(b. c1161 - d. after 1216, nun at Abbey of Sainte Marie, Fontevrault, Maine)
d.s.p.

5. Ermengarde of Nevers
(d. after 1161)

(4 - 2)

1. Robert IV, Count of Auvergne 1182 - c1194
(b. c1135 - d. c1194)
married
Matilda of Burgundy, the daughter of Eudes II, Duke of Burgundy, and his wife Marie, the daughter of Theobald IV, Count of Blois-Champagne
(b. c1150 - d. Aug 22, 1202)

For their children see Generation 5 - 3

(4 - 3)

1. Archambaud VIII, Seigneur of Bourbon
(b. June 29, 1140 - d. 1169)
married 1164 (her first)
Alice of Burgundy (Adelaide), daughter of Eudes II, Duke of Burgundy, and his wife Marie, the daughter of Theobald II, Count of Blois-Champagne. Alice remarried to William III of Ponthieu, Count of Alencon (d. 1172)
(b. 1146 - d. 1191, nun at Abbey of St Marie, Fontevrault, Maine)

For their children see Generation 5 - 4

(4 - 4)

1. Elisabeth of Courtenay (Agnes), heiress of Courtenay, Orleanais (Loiret), France, and of the manor of Sutton, Berkshire, England
(b. 1137 - d. Sept 14, 1206)
married after 1150
Pierre Capet, Prince of France, the son of King Louis VI, and his second wife Adelaide, the daughter of Umberto II, Count of Maurienne
(b. 1126 - d. April 10, 1183, Palestine)

For their children see Generation 5 - 5

(4 - 5)

1. Richard I, Viscount de Beaumont
(b. c1130 - d. after 1199)
married c1165
Lucie de L'Aigle, daughter of Richard II, Seigneur de L' Aigle
(b. c1150 - d. after 1217)

For their children see Generation 5 - 6

2. Guillaume de Beaumont

3. Raoul de Beaumont, Bishop of Angers
(b. c1140 - d. March 31, 1197, buried in Angers, Anjou)

4. Constance de Beaumont

Generation 5
(5 - 1)

1. Agnes of Joigny
(b. c1163 - d. 1188)
married before 1172
Simon de Broyes, Seigneur de Beaufort, the son of Simon I, Seigneur de Broyes and de Beaufort, and his wife Felicite, the daughter of Erard I, Count of Brienne
(b. c1125 - d. after 1187)

Their children are beyond the scope of this work

2. William I, Count of Joigny, Othe, in Champagne c1179 - 1221
(b. c1164 - d. 1221)
married (1) before 1179 (her first) (divorced 1186)
Alicia of Courtenay, the daughter of Pierre I Capet, Prince of France, Seigneur of Courtenay, and his wife Elisabeth, the daughter of Rainald of Courtenay. Alicia remarried (2) Aymer I ' Taillefer ', Count of Angouleme (d. 1202).
(b. 1160, Courtenay, Orleanais (Loiret) - d. Sept 14, 1218)
married (2) before 1212
Beatrix N
(b. c1175 - d. after Sept, 1225)

Their children are beyond the scope of this work

3. Gaucher of Joigny, Seigneur of Chateau-Renard, Gatine, Touraine (Indre et Loire) Seneschal of Nevers
(b. c1170 - d. Nov, 1237)
married (1) before 1195 (her second)
Adela de Venisy, the widow of Andrew of Brienne, Seigneur of Ramerupt, and the daughter of Anseau, Seigneur de Venisy
(b. c1155 - d. Nov, 1222)
married (2) before May, 1226
Amicia of Montfort, the daughter of Simon IV, Count of Montfort, and his wife Alice of Montmorency, and the sister of the famous Simon de Montfort (d. 1265)
(b. c1205 - d. Feb 20, 1253, Dominican nun at Abbey of Montargis, Orleanais (Loiret)

Their children are beyond the scope of this work

4. Helisende of Joigny
(b. c1173 - d. after 1224)
married before 1198
Milon IV, Count of Bar-sur-Seine, the son of Hugh de Le Puiset, Viscount of Chartres, and his wife Peronelle, daughter and heiress of Milon III, Count of Bar-sur-Seine
(b. c1167 - d. Aug 17 or 18, 1211)
d.s.p.

(5 - 2)

1. Agnes, Countess of Nevers, Auxerre and Tonnerre 1181 - 1193
(b. 1170 - d. Feb 5 or 6, 1193)
married (1) c1180
Oliver Albus, Seigneur of Grignon, Auxois
(b. c1161 - d. c1183)
d.s.p.
married (2) 1184 (his first)
Pierre II, Seigneur of Courtenay (later Latin emperor of Constantinople, the son of Pierre I Capet, Prince of France and Seigneur of Courtenay, and his wife Elisabeth, the daughter of Rainald of Courtenay
(b. 1155 - d. after June, 1219, Epirus, Greece)

Their children are beyond the scope of this work

2. William V, Count of Nevers, Auxerre and Tonnerre 1176 - 1181
(b. 1172 - d. 1181)

3. Ida of Nevers
(d. after 1179)

(5 - 3)

1. William X, Count of Auvergne 1194 - 1195
(b. c1169 - d. 1195)
d.s.p.

2. Guy II, Count of Auvergne 1195 - 1224
(b. c1171 - d. 1224)
married
NN

Their children are beyond the scope of this work

3. Marie of Auvergne
(d. after 1195)
married
Albert II, Seigneur de La Tour du Pin, the son of Albert I, Seigneur de La Tour du Pin, and his wife Alice N.
(b. c1165 - d. before 1240)

Their children are beyond the scope of this work

4. Robert, Dauphin of Clermont-Auvergne
(b. c1175 - d. 1234)
married
Marquise d'Albon, the daughter of Guigues V d'Albon, Dauphin of Vienne
(Living c1220)

Their children are beyond the scope of this work

(5 - 4)

1. Matilda, Dame of Bourbon 1171 - 1228
(b. c1165 - d. June 18, 1228, as a nun of Sainte Marie, Fontevrault, Maine)
Buried in Abbey of Montelaux Moines
married (1) c1180 (his first) (divorced 1195)
Gaucher of Macon, Count of Salins, the son of Gerard I, Count of Macon and Vienne, and his wife Guigone Maurette, the daughter of Gaucher III, Seigneur of Salins
(b. c1165 - d. 1219)
married (2) Sept 9, 1196
Guy II, Count of Dampierre, Constable of Champagne, the son of William I, Seigneur of Dampierre, and his wife Ermengarde, the daughter of Dreux IV, Seigneur of Mouchy (later wife of Dreux de Mello, Constable of France)
(b. c1155 - d. Jan 18, 1216)
Buried in Abbey of Laumesin, Blois, Orleanais (Loiret)

Their children are beyond the scope of this work

(5 - 5)

1. Pierre II de Courtenay, Latin Emperor of Constantinople 1217 - 1219, he was also Count of Nevers, Auxerre and Tonnerrein France
(b. 1155 - d. after June, 1219, Epirus, Greece)
married (1) 1184 (her second)
Agnes of Nevers, the widow of Oliver Albus, Seigneur de Grignon, and daughter of Guy I, Count of Nevers, and his wife Matilda, daughter of Raymond, Prince of Burgundy
(b. 1170 - d. Feb 5 or 6, 1193)
married (2) June, 1193, Soissons, Aisne, Ile de France
Yolande of Flanders, the daughter of Baldwin VIII, Count of Flanders (V of Hainault) and his wife Margaret, widow of Raoul II, Count of Vermandois, and daughter of Thierry II of Alsace, Count of Flanders
(b. 1173 - d. Sept, 1219, Constantinople, Asia Minor)

Their children are beyond the scope of this work

2. Agnes of Courtenay
(b. 1158 - after 1188)
married
Eudes de La Marche

3. Alicia of Courtenay (Adelaide)
(b. 1160, Courtenay, Orleanais (Loiret) - d. Sept 14, 1218)
married (1) (his first) divorced 1186
William I, Count of Joigny, Othe, in Champagne c1179 - 1221, the son of Raynald IV, Count of Joigny, and his wife Adelaide, daughter of William III, Count of Nevers
(b. c1164 - d. 1221)
married (2) April, 1186
Aymar I ' Taillefer ', Count of Angouleme 1187 - 1202, the son of William IV ' Taillefer ', Count of Angouleme, and his second wife Margaret, daughter of Raymond I, Viscount of Turenne.
(b. c1155, Angouleme (Charente) - d. June 16, 1202, Limoges, Limousin)

Their children are beyond the scope of this work

4. Eustachie de Courtenay, Dame de Pacy
(b. c1164 - d. after 1235)
married (1)
Guillaume of Brienne, the son of Erard II, Count of Brienne, and his wife Agnes, daughter of Richard II de Montfaucon, Count of Montbeliard.
(b. c1141 - d. 1200)
married (2) 1200 (his second)
William I de Champlitte, Prince of Achaia 1205 - 1210, the son of Eudes I, Seigneur de Champlitte, and his wife Sibyl de La Ferte.
(b. c1148 - d. 1210)
married (3) c1211 (his third)
William I of Champagne, Count of Sancerre, the son of Stephen of Blois, Count of Sancerre, and his wife Adelaide, daughter of Geoffrey, Seigneur de Donzy.
(b. c1165 - d. 1217)

Their children are beyond the scope of this work

5. Clemence de Courtenay
(b. c1166 - d. after 1188)
married before 1185
Guy VI, Count of Thiern, the grandson of Guy V, Count of Thiern, in the Auvergne.
(b. c1158 - d. c1200)

Their children are beyond the scope of this work

6. Constance de Courtenay, Dame de Chateaufort
(b. 1168 - d. after 1231)
married (1)
Gasce de Poisy
(b. c1167 - d. 1189)
married (2)
Guillaume de Breteuil, Seigneur de La Ferte-Arnaud
(b. c1160 - d. after 1200)

Their children are beyond the scope of this work

7. Robert de Courtenay, Seigneur de Champignelles, Grand Butler of France
(b. 1169 - d. 1239, Palestine)
married (1) c1200
Constance de Toucy, probably daughter of Narjod II, Seigneur de Toucy, and his wife Agnes, daughter of Guy I de Dampierre, Viscount of Troyes.
(b. c1184 - d. before 1216)
married (2) c1216
Matilda de Vierzon, Dame de Mehun-sur-Yevre, the widow of Jean, Seigneur de Beaugency-en-Loire, and daughter of Philip de Vierzon, Seigneur de Mehun-sur-Yevre
(b. c1190 - d. 1240)
Buried at Mehun

Their children are beyond the scope of this work

8. Philippa de Courtenay
(b. c1170 - d. after 1186)

9. Guillaume I de Courtenay, Seigneur de Tanlay
(b. 1172 - d. April between 1233 and 1248)
Buried Abbey of Quincey, near Langres (Haute Marne), Champagne
married (1)
Adeline, Dame de Tanlay, daughter of Clarembault de Tanlay, Seigneur of Noyers (Yonne), Burgundy, and his wife Alice of Brienne
(b. 1186 - d. before 1229)
Buried Abbey of Quincey, near Langres (Haute Marne), Champagne
married (2) c1229
Nicola N
(d. after 1231)
d.s.p.

His children are beyond the scope of this work

10. Isabelle de Courtenay
(d. after 1194)
married
Aimon III, Seigneur de Charost, Berry, the son of Roger, Seigneur de Charost
(b. c1165 - d. after 1221)

Their children are beyond the scope of this work

(5 - 6)

1. Ermengarde of Beaumont
(b. 1170 - d. Feb 11, 1234)
Buried in Abbey of St Edward, Balmerino, Fifeshire, Scotland
married Sept 5, 1186, Woodstock Palace, Oxon, England
William I ' the Lion ', King of Scotland 1165 - 1214, the son of Henry of Scotland, Earl of Huntingdon, and his wife Ada, daughter of William de Warenne, 2nd Earl of Surrey
(b. 1143 - d. Dec 4, 1214, Stirling)
Buried in Arbroath Abbey

Their children are beyond the scope of this work

2. Raoul VIII, Viscount of Beaumont
(b. c1172 - d. 1239)
married before 1212
Agnes N
Buried in Abbey of Etival

Their children are beyond the scope of this work

3. Constance de Beaumont
(b. c1174 - d. after Sept 22, 1199)
married c1190
Roger IV, Seigneur de Tosny, the son of Raoul V, Seigneur de Tosny, and his wife Margaret, the daughter of Robert de beaumont, 2nd Earl of Leicester
(b. c1158 - d. after Dec 29, 1208)

Their children are beyond the scope of this work

4. William de Beaumont, Bishop of Angers, Anjou
(b. c1177 - d. Sept 2, 1240)

5. Petronilla de Beaumont (Pernelle)
(b. c1178 - d. c1203)
married c1194 (his first)
Alain I d' Avaugour, Count de Treguier and Penthievre, the son of Henry, Count of Brittany, and his wife Maude, the daughter of Jean, Count of Vendome
(b. c1167 - d. 1212)
d.s.p.

6. Richard de Beaumont
buried in Abbey of Marmoutier

7. Geoffrey de Beaumont

THE END



Sources

Europaische Stammtafeln
Prince Wilhelm Karl von Isenburg, Marburg, 1953.

Europaische Stammtafeln
Detlev Schwennicke, Marburg, 1978 - 1995.

Britain's Royal Families
A. Weir, London, 1996 edition.

Sword, Miter and Cloister
Constance Brittain Bouchard, 1987.

The Plantagenet Ancestry of Elizabeth of York
Lt-Col. W.H. Turton, Baltimore, 1968.

Provinces, Pays, and Seigneuries of France
P. D. Abbott, Canberra, 1981.

Royalty for Commoners
Roderick W. Stuart, Baltimore, 1995 (revised edition)