| Name | Constance | |
| Birth | Abt 1066 | Normandy, France |
| Gender | Female | |
| Death | 13 Aug 1090 | Brittany, France |
| Person ID | I1390 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | William I The Conqueror, King Of England, 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 | 15 Sep 2005 | |