Boso II of Vienne
Count of Vienne (870) and King of Provence and Lower Burgundy (869 – 887)
Born (c846) – Died (Nov 1, 887) at Vienne, Isere
Buried in the Cathedral of St Maurice, Vienne
Boso was said to have poisoned his first wife Hildegarde so that he could marry Ermengarde whom he was said to have abducted by force

Father – Bivinus of Metz
Mother – Richilda of Arles

Boso married firstly (c863) to Hildegarde of Neustria (3)
Children :

• Ermengarde of Vienne
• Gisela of Vienne

Boso married secondly (March – June, 876) Ermengarde of Neustria (2)
Children :

• Engelburga of Vienne
• Ermengarde of Provence (2)
• Emperor Louis III