♂ Robert Curthose

• William_I the_Conqueror (1027)
• Matilda of_Flanders (1031)

• William Clito of_Flanders

• Richard (1055)
• William_II Rufus (1056)
• Cecilia of_Holy_Trinity
• Adela (1062)
• Constance (1066)
• Henry_I Beauclerc (1068)