Nielsen Hayden genealogy
Family: William de Percy / Sybil de Valognes (F1537)
m. Between 1164 and 1166Drag or scroll to see more of the chart.
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Alan de Percy ( -1135)
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Emma de Gant ( -1141)
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| Roger de Valognes ( -1141)
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| Agnes fitz John ( -1185)
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Cecily de Valognes ( -1185)  |
| William de Percy ( -1174)
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| Sybil de Valognes ( -1213)
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