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Female Joan de Cornwall Click to view Joan de Cornwall in the family tree

Joan was born about 1264 in Modbury, Devonshire, England.1   Joan's father was Prince Richard of England -Earl of Cornwall and her mother is Joan (Jane) de Valletort.  Her paternal grandparents were "Lackland" King of England John and Isabella Taillefer Of Angouleme; her maternal grandparents are Reginald de Valletort and Hawise de Dunstanville. She had seven half-brothers and four half-sisters, and also a half-sibling of unknown gender, named Richard, John of, Henry of, Edmund, Plantagenet Earl of Cornwall, Walter, lawrence de, Joan, Isabella of, Alice, Joan and Nicholas of.


Joan's family

‌Joan were married in a religious ceremony about 1283.1 

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