Descent of
 
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(1012-1066) |
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(1021-1076) |
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| Wallérand de Louvencourt (1037-1106) | 
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Marie d'Acheux-en-Amiènois (1052-1102) |
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| Havise de Louvencourt (1043-1099) |
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Iton de Corbie (1035-1099) |
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| Source 1 laurentbrenet | |
| Source 2 gonemichet |
