Rotgaire Count of Montreuil
- 957( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Rotgaire Count of Montreuil [1] d. 957
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- 2 William, Count of Montreuil I [1.1] d. 965
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- 3 Ernicule Count of Boulogne [1.1.1] d. 972
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- 4 Gui Count of Boulogne [1.1.1.1] [ =>]
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- 3 Ernicule Count of Boulogne [1.1.1] d. 972
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- 2 William, Count of Montreuil I [1.1] d. 965
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