Descendance de
 
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(1020-1087) |
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(1046-1102) |
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| Thibaut Ier de Gisors (1062-1124) | 
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Mathilde de Montmorency (~1072-1135) |
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| Alixe de Gisors (1064-1117) |
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Gilbert II de Mouchy (1050-1084) |
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| Source 1 fox | |
| Source 2 mvanhoegaerden |
