Sibylia (?) married Duke Robert Curthose, son of King William I 'the Conqueror' (of England) and Matilda (of Flanders).1
|Duke Robert Curthose b. circa 1053, d. 10 February 1134|
|Last Edited||21 Jun 2003|
- [S205] The Continenetal Dynasties 1066-1216, online http://www.royal.gov.uk/history/trees/continen.pdf. Hereinafter cited as The Continenetal Dynasties.