Robert De Ferrers & Hawise De Vitre 
Robert and Hawise were married in a religious ceremony.1 They had a son and a daughter, named Robert , 2nd Earl Derby and Maud.
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Children
Robert , 2nd Earl Derby De Ferrers
Robert , 2nd Earl Derby was born about 1090 in Tutbury,Derbyshire,ENGLAND.1 He died before 1160 in Merevale,Warwickshire,ENGLAND; Buried at Merevale Abbey.1