OurNorthernRoots
Family: Sir William de Ros / Lucy Fitz Piers (F9610)
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Baron Robert de Ros (1182-1226) |
Isabel of the Scots (1170- )
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| Piers Fitz Herbert (1170-1235)
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| Alice de Warkworth (1180-1235)
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| Sir William de Ros (1200-1264)
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| Lucy Fitz Piers (1200- )
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Sir William de Ros, II (1240-1310)  |