William de Ferrers
William was born in 1193 in Ferrers, Derbyshire, England.  He died in Evington, Leicester, England.

 Margaret de Quincey
Margaret was born about 1218 in Winchester, Hampshire, England.

 Sir William de Ferrers
Sir William was born in 1240 in Groby, Leicestershire, England.

 Robert de Ferrers
Robert was born in 1242 in Derby, Lincolnshire, England.  He died at the age of 37 in 1279.

 Agnes de Ferrers
Agnes was born in 1244 in Derby, England.  She died at the age of 37 on May 9th, 1281.