Family: William 6th de Percy / Ellen de Baliol (F7614)
m. circa 1226Sir Henry Percy (1150-1198) 
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Isabel de Brus, Lady Percy (1160-1194)
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| Richard de Percy, 5th Baron de Percy (1170-1244) |
| Ingram de Baliol (1175- ) |
| Dtr of Walter Berkeley (1180- )
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| William 6th de Percy (1193-1245)
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| Ellen de Baliol (1200-1280)
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Sir Henry de Percy (1228-1272)  |
