**Geoffrey IV de Mayenne
2002 - Aft 1098
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| **Isabelle de Mayenne | |
| B: | Abt 1129 |
| **Hugh de Nevers de Craon | |
| B: | 1100 |
| Craon, Mayenne, France | |
| D: | 1140 |
| **Gauthier de Mayenne | |
| B: | 1080 |
| D: | 1116 |
| **Adeline de Presles | |
| B: | 1080 |
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| **Geoffrey IV de Mayenne | |
| A: | 13 Jan 2002 |
| D: | Aft 1098 |
| **Hildeburge de Cornouaille | |
| B: | 1061 |
| Cornouaille, France | |