Descendance de
 
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(~1100-27/06/1149) |
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(1117-01/01/1180) |
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| Rasse IV de Gavre (~1139-1206) | 
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Mathilde de Liedekerke (~1135-~1190) |
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| Berthe de Gavre (~1126-) |
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Witasse dit le Barbe de Roeulx (~1124-1186) |
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| Source 1 jpmoroval | |
| Source 2 jpmoroval |
