William DE_FERRERS 4th Earl of Derby( - 22 Sep 1247)Roger DE_QUINCY 2nd Earl of Winchester(1195? - 25 Apr 1264)
b. 1193, Derbyshire, England
d. 28 Mar 1254, Evington, Leicestershire, Engla
br. 31 Mar 1254, Merevale Abbey, Merevale, Warwickshire, England
 
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b. 1218
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Spouses: 1, 2
Children
Robert DE_FERRERS Earl of Derby(1239 - 1278/1279)
> Joan DE_FERRERS(abt 1248 - 19 Mar 1310)