Mortimer Roger de

Mor·ti·mer

 (môr′tə-mər), Roger de Eighth Baron of Wigmore and First Earl of March. 1287-1330.
Welsh rebel and lover of Edward II's wife, Isabella (1292-1358), with whom he raised an army to invade England from France (1326). They deposed Edward (1327) and ruled until 1330, when Edward III seized power and Mortimer was executed.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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