Margaret Mortimer, Baroness Berkeley, Date of Birth, Date of Death
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Baroness Berkeley
Date of Birth: 
About Margaret Mortimer, Baroness Berkeley
- Margaret Mortimer, Baroness Berkeley (2 May 1304 – 5 May 1337) was the wife of Thomas de Berkeley, 3rd Baron Berkeley.
- She was the eldest daughter of Roger Mortimer, 1st Earl of March, the de facto ruler of England from 1327 to 1330, and his wife Joan de Geneville, Baroness Geneville.
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