Margaret de FIENNES 
Margaret de was born about 1262 in Wigmore, Herefordshire, England. She died on February 7th, 1333.
They had a son named Roger.
-
Children
Roger MORTIMER, Earl of March
Roger was born on May 3rd, 1287 in Netherwood, Thornbury, Herefordshire, England. He died at the age of 43 on November 29th, 1330 in Elms, Tyburn, Warwickshire, England.