Robert 2nd Earl of Derby De Ferrers
Robert 2nd Earl of Derby was born in 1090 in Tutbury, Staffs, England.¹   He died at the age of 51 in 1141 in Bur Merevale Abbey, Warwicks, and, England.¹ 

 + Margaret Peverel
+ Margaret was born in 1114 in Nottingham, Nottinghamshire, , England.²   She died at the age of 22 in 1136 in Oakham, Rutland, , England.³ 

 William Wakefield 3rd Earl of Derby De Ferrers
William Wakefield 3rd Earl of Derby was born in 1136 in Tutbury, Derbyshire, , England.⁴   He died at the age of 54 in 1190 in Palestine, Bradford, Florida, United States.⁵