Ralph Mortimer
Ralph was born in 1055 in Wigmore, Herefordshire, England.  He died before 1104.

 Isabel De Ferrers
Isabel was born in 1060 in Gernon Castle (Normandy, France).  Isabel is no longer alive.

 Hugh Mortimer
Hugh was born in 1090.  He died at the age of 91 on February 24th, 1181.