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Female Yolanthe De Brienne Click to view Yolanthe De Brienne in the family tree

Yolanthe was born in 1211.1   Yolanthe's father was Jean De Brienne and her mother was Berenguela Princess of Leon And Castile.  Her paternal grandparents were Count I of Brienne Erard and Agnes De Montfaucon; her maternal grandparents were King Of Leon Alfonso and Berenguela Queen Of Castile**. She had four brothers and a sister, named Guy I, Louis, Jean II, Alphonse and Mary.  She was the oldest of the six children.

1 Genealogical Research of Kirk Larson

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