A genealogy of the Heath, Palmer, Thayer, Goodnow, and other allied families.
| Name | Alan_IV of_Brittany Fergant | |
| Title | Count | |
| Gender | Male | |
| Person ID | I1556 | royal |
| Last Modified | 18 Apr 2025 | |
| 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 | 18 Apr 2025 | |
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