Isabeau Le Provost

Isabeau was born about 1345.  Isabeau's father was Guillaume Du Glaz and her mother was Tiphaine De Kergorlay.  Her paternal grandparents were Guillaume Douglas and Marie Le Prévost.  She was an only child.

‌Isabeau and Jean were married in a religious ceremony about 1370.  They had a son named Philippe Ier.