Hugh De Mortimer
Hugh was born about 1229 in Wigmore, Herefordshire, England.  He died in January 1273.

 Agatha De Ferrers
Agatha was born about 1236 in Derbyshire, England.  She died on May 22nd, 1306.

 Robert De Mortimer
Robert was born before 1252 in Richard's Castle, Herefordshire, England.  He died on April 7th, 1287 in Droitwich, Worcestershire, England.