He has/had a relationship with Philippa Plantagenet.
Child(ren):
Edmund DeMortimer 3rd Earl of March, 1st Earl of Ulster
http://trees.ancestry.com/rd?f=document&guid=67ef10fb-be8b-4972-bf0e-0102e008f618&tid=4883085&pid=3118
Edmund Mortimer 3rd Earl of March #635
http://trees.ancestry.com/rd?f=document&guid=a09792b9-81b7-4836-a263-a8bbd1c0de29&tid=4883085&pid=3118
Edmund DeMortimer | ||||||||||||||||||||||||||||||||||
Philippa Plantagenet |
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=4883085&pid=3118/ Ancestry.com