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 | Vicomte de Cotentin Niel de Saint-Sauveur (964-1045)
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 | Count of Penthièvre Odo FitzGeoffery (999-1097)  |
| Yvo 'Bellomontensis' de Cotentin (1005-1059)
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 | Emme de Bretagne (1002-1049)
|
 | 1st Lord Dutton Odard de Dutton (1046-1086) |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
