William , 5th Earl of Derby De Ferrers & Margaret De Quincy 
William , 5th Earl of Derby and Margaret were married in a religious ceremony in 1238.1 They had a son and two daughters, named Robert , Earl Of Derby, Joan and Agnes.
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Personal Details
William , 5th Earl of Derby De Ferrers
William , 5th Earl of Derby was born about 1200 in Ferrers,Derbyshire,ENGLAND.1 He died on March 28th, 1254 in Evington,ENGLAND; buried: Merevale Abbey,Merevale,Warwick, ENGLAND.1
Margaret De Quincy
Margaret was born in 1218 in Winchester,Hampshire,ENGLAND. She died in Clerkenwell,ENGLAND.
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Children
Robert , Earl Of Derby De Ferrers
Robert , Earl Of Derby was born in 1239 in Chartley,ENGLAND.1 He died about 1279.1
Agnes De Ferrers
Agnes was born about 1244 in Derby,Derbyshire,ENGLAND.1 She died after May 9th, 1281.1