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Female Alianor de Clare Click to view Alianor de Clare in the family tree

Alianor was born on October 12th, 1292 in Caerphilly Castle, Glamorganshire, Wales.1   Alianor's father was Gilbert the Red de Clare Earl of Gloucester and her mother was Joan of Acre Plantagenet Cts de Gloucester.  Her paternal grandparents were Richard de Clare Earl of Gloucester & Hertford and Maude de Lacy Cts de Lincoln; her maternal grandparents were Edward I Plantagenet and Alianore de Castille Cts de Ponthieu. She had two sisters named Margaret and Elizabeth.  She was the oldest of the three children. She had a half-brother named Thomas.  She died at the age of 44 on June 30th, 1337 in England.1 

Family Details of Alianor's family with Hugh le Despenser the Younger Lord Despenser

Family Details of Alianor's family with William de Mortimer

1 large-G675.FTW
Further sources/citations:
11615-2.ftw, Royal Descents of Famous People, Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ 74-32, Plantagenet Ancestry of 17th Century Colonists @ 1st ed, p 98-99 "Elsing", University of Hull Royal Database (England), Plantagenet Ancestry of 17th Century Colonists @ 1st ed, pp 77-78, "Dade"

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