Yvres, Lord of Beaumont I
- 1022(
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- 1 Yvres, Lord of Beaumont I [1] d. 1022
- Chevereuse, Gisele of
- 2 Yvres, Count of Beaumont II [1.1] d. 1070
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- 3 Beaumont, Alice de [1.1.1] d. 1087
- Grantmesnil, Hugh I de d. 1094
- 4 Grantmesnil, Ivo de [1.1.1.1]
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- 4 Grantmesnil, Ivo de [1.1.1.1]
- 3 Beaumont, Alice de [1.1.1]
- 2 Yvres, Count of Beaumont II [1.1]