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Female Isabelle De Si. Maure De Montbason Click to view Isabelle De Si. Maure De Montbason in the family tree

Isabelle De Si. Maure De's father was Guillaume IV De Montbason De St. Maure and her mother was Alix De Marcillac De Thouars.  Her paternal grandparents were Guillaume III De St. Maure and Jeanne De Rancon.  She was an only child.  She died on December 13th, 1310.


Isabelle De Si. Maure De's family with Amaury III De Craon

They had a son named Maurice VII De.

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