Family: Robert III Curthode Duke of Brittany / Sybilla Conversano (F40797)
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Male
Robert III Curthode Duke of Brittany
Birth Abt 1054 Death 3 Feb 1133-1134 Cardif Castle As A Prisoner 
Burial Marriage Father William I The Conqueror King of England | F40694 Group Sheet Mother Matilda of Flanders | F40694 Group Sheet
Female
Sybilla Conversano
Birth Death 1103 Burial Father Geoffrey Count of Conversano | F40800 Group Sheet Mother
Male
William III of Normandy
Birth Abt 1101 Death 27 Jul 1128 Battle At Alost In Flanders Burial Spouse Sybil of Anjou | F40804 Marriage 1123 Spouse Gionanna Montferrat | F40805 Marriage Jan 1126-1127