| Name | Geoffroy III of Mayenne | |
| Born | 1147 | Mayenne, Mayenne, Pays-de-la-Loire, France |
| Gender | Male | |
| Died | 18 Feb 1170 | Mayenne, Mayenne, Pays-de-la-Loire, France |
| Person ID | I483468 | Little Chute Genealogy |
| Last Modified | 12 May 2016 | |
| Family | Isabelle of Meulan, b. 1148, Beaumont-sur-Sarthe, Maine, Pays-de-la-Loire, France | |||
| Married | 1161 | Mayenne, Mayenne, Pays-de-la-Loire, France |
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| Last Modified | 21 Jul 2022 | |||
| Family ID | F179812 | Group Sheet | Family Chart | ||