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Female Joan De Fortibus DE VIVONNE Click to view Joan De Fortibus DE VIVONNE in the family tree

Joan De Fortibus was born about 1239 in Hertfordshire, England.1   Joan De Fortibus' father was William "Fort" DE VIVONNE and her mother was Maud (Matilda) DE FERRERS.  Her paternal grandparents were Hugh DE VIVONNE and Mabel MALET; her maternal grandparents were William FERRERS and Sybil MARSHALL. She had a sister named Cicely.  She was the older of the two children.  She died in 1314.1 


Joan De Fortibus' family with Reynold FITZPIERS

They had a son and a daughter, named Peter and Elianor.

1 Fitzherbert.ged
2 perceval.ged
3 Cokayne's Complete Peerage

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