Family: Henry de 1st Newburgh / Margaret de Perche (F7447)
Roger de Beaumont, Count of Meulan (1020- ) 
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Adelise of Meulan, * (1020- )
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Sir Robert of Beaumont, 1st Earl of Leicester* (1049-1118)  |
| Geoffrey II Count de Perche, * (1020-1100)
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| Beatrix de Montdidier, * (1025- )
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| Rotrou II Count de Perche, * (1050-1144) |
| Henry de 1st Newburgh (1046-1123)
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| Margaret de Perche (1055- )
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| Roger II Earl Newburgh (1090-1151) |
