Roger De Mortimer
Roger was born about 1020 in Mortemer-sur-Eauline, France.  He died after 1078.

 Hawise De Valois
Hawise was born about 1035.

 Ralph De Mortimer
Ralph was born about 1055 in Wigmore, Herefordshire, England.  He died on August 5th, 1100 in Normandy, France.