Family: William FERRERS, 3rd Baron Ferrers of Groby / Margaret DE PERCY (F37179)
m. Bef 1368
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Male
William FERRERS, 3rd Baron Ferrers of Groby
Birth 1332 Death 1370 Burial Marriage Bef 1368 [1] Father Henry FERRERS, of Groby | F37180 Group Sheet Mother Isabel DE VERDUN | F37180 Group Sheet
Female
Margaret DE PERCY
Birth Death 1375 Gyng, Essex, England 
Burial Other Spouse Sir Robert D'UMFRAVILLE, of Pallethorp, Hessle, Yorkshire | F37178 Marriage 1340 Father Henry DE PERCY, K.G., 9th Baron Percy of Topcliffe, 2nd Lord Percy of Alnwick | F22924 Group Sheet Mother Idoine DE CLIFFORD | F22924 Group Sheet
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