Definition of Mortimer, Roger de in US English:

Mortimer, Roger de

proper noun

  • 8th Baron of Wigmore and 1st Earl of March (c.1287–1330), English noble. In 1326, he invaded England with his lover Isabella of France and replaced her husband Edward II with her son, the future Edward III. When Edward III assumed power in 1330, he had Mortimer executed.


Mortimer, Roger de