William deFerrers VII Earl of Derby
William deFerrers VII Earl of was born in 1196 in Groby, derbyshire, England.

 Margaret deQuincy
Margaret was born in 1225 in Lincolnshireoln, England.  She died at the age of 33 in 1258 in Clerkenwell, England.

 Margaret Joan deFerrers
Margaret Joan was born in 1238 in derbyshire, England.  She died in Castle Berkshireeley, Gloucestershire, England.

 Robert deFerrers
Robert was born in 1239 in derby, Lincolnshire, England.  He died at the age of 40 in 1279.

 Agnes deFerrers
Agnes was born in 1245 in Groby, derbyshire, England.