| Name | Constance | |
| Birth | Abt 1066 | Normandy,France |
| Gender | Female | |
| Death | 13 Aug 1090 | Brittany,France |
| Person ID | I1390 | Test |
| Last Modified | 13 Jun 2026 | |
| Father | King of England William_I the_Conqueror, b. 1027/1028, Falaise,Normandy,France d. 7 Sep 1087, Near Rouen,France (Age 59 years) | |
| Mother | Matilda of_Flanders, b. Abt 1031, Flanders,France d. 2 Nov 1083, Caen (Age 52 years) | |
| Marriage | 1053 | |
| Family ID | F505 | Group Sheet | Family Chart |
Family ![]() |
Count Alan_IV of_Brittany Fergant | |
| Marriage | 1086 | Caen |
| Family ID | F586 | Group Sheet | Family Chart |
| Last Modified | 13 Jun 2026 | |