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Female Isabella Yolande de Brienne Click to view Isabella Yolande de Brienne in the family tree

Isabella was born in 1211 in Acre, Palestine.1  Isabella's father was Emperor of Byzantium, King Jerusale John de Brienne and her mother was Mary de Montferrat.  Her paternal grandparents were Gautier de Brienne II and Agnes de Garlande de Baudement. She had two half-brothers and a half-sister, named Jean, Louis and Mary.

1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=jdp-fam&id=I8318

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