Mortimer Roger de


 (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.
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