Nielsen Hayden genealogy
Family: Henry I, King of England / (Unknown mistress or mistresses of Henry I) (F334)
William I, King of England (1028-1087) 
|
Matilda of Flanders, Queen Consort of England (1032-1083)
|
| Alice ( -1112) |
| Cecily ( -1126) |
Robert Curthose (1051-1134)  |
| Richard (1055-1075) |
| William II "Rufus", King of England (1060-1100) |
| Constance (1061-1090) |
| Adela of Normandy (1061-1137) |
| Henry I, King of England (1068-1135)
|
| Constance of England ( -1176) |
| Mabel of England ( -1126) |
| Robert of Gloucester (1090-1147) |