| Name | Alan IV Of Brittany FERGANT | |
| Prefix | Count | |
| Gender | Male | |
| Person ID | I1556 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Family | Constance, b. Abt 1066, Normandy, France  d. 13 Aug 1090, Brittany, France (Age 24 years) | |
| Marriage | 1086 | Caen |
| Family ID | F586 | Group Sheet | Family Chart |
| Last Modified | 15 Sep 2005 | |
