born:  25 April 1287 in Thornbury, Herefordshire, England
died: 1330 in Elms, near Smithfield
He was lover to King Edward II's wife, Queen Isabella, and was the leader in deposing the king and executing the Despencers. His career was not however of long continuance, for King Edward III had him seized in the castle of Nottingham, and conveyed prisoner to London, where, being impeached before parliament, he was convicted under various charges, the first of which was privity to the murder of King Edward II in Berkeley Castle.  Executed in 1330 at Elms, near Smithfield. 

Father: Edmund de Mortimer, 7th Baron Mortimer
Mother:  Margaret de Fiennes

Spouse:  Joan de Geneville

Children:
1. Maud Mortimer
2. Katherine de Mortimer