Isabel de Clare may refer to:
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Isabel de Clare, 4th Countess of Pembroke (1172–1220)
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Isabella of Gloucester and Hertford
Isabella de Clare (2 November 1226 – 10 July 1264) was the daughter of Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Isabel Marshal. She is also known as ''Isabel de Clare'', but this is however, the name of many women ...
(1226-1264)
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