William de Ferrers
William was born after 1100 in Derbyshire, England.  He died in 1240 in Merevale/Merevele, Warwickshire, England.  He was buried in Merevale Abbey, Warwickshire, England.

 Margaret Peverel
Margaret was born about 1114 in Nottingham, England.  She died after 1130.

 William (Robert) de Ferrers
William (Robert) was born about 1136 in Ferrers, Derby, England.  He died before October 21st, 1190 in Siege of Acre, Jerusalem, Palestine.