Sybil married Duke of Normandy Robert II "Curthose" in 1071/1104. Robert (son of William I "The Conqueror", King of England and of Flanders Matilda) was born in 1054 in Normandy, France; died on 10 Feb 1133/34 in Cardiff Castle. [Group Sheet] [Family Chart]
1070 - 1154 (84 years)
