Descent of
 
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(0974-20/11/1008) |
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(0981-21/02/1034) |
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| Alain III le Rèbre de Bretagne (0997-01/08/1040) | 
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Berthe de Blois (1013-04/1085) |
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| Eudes de Penthievre (0999-1079) |
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Agnès de Cornouailles (~0995-) |
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| Emma de Bretagne (~1000-1060) |
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Yves III de Beaumont sur Oise (0992-12/04/1036) |
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| Source 1 fox | |
| Source 2 mvanhoegaerden | |
| Source 3 desmetpatrice |
