Ralph De Mortimer
Ralph De was born in 1190.  He died at the age of 56 in 1246.

 Gladys Ap Llewelyn
Gladys Ap was born about 1205 in Caernarvonshire, Wales, England.  She died about 1251 in Windsor, Berkshire, England.

 Roger De Mortimer
Roger De was born about 1231 in Cumaron, Wales, England.  He died on October 27th, 1282 in Kingsland, Herefordshire, England.