Isabelle de Savoie

-https://fmg.ac/Projects/MedLands/burgkvaud.htm#IsabelleSavoieVaudBe...

2. ISABELLE de Savoie (-[Apr 1289/May 1290]). The contract of marriage between "Beraldo Signore di Mercoeur" and "Isabella di Savoia figlia del fu Lodovico di Savoia Signore di Vaud di Gioanna di Monfort sua seconda Moglie" is dated 31 Mar 1289[381]. It is assumed that Isabelle was one of her parents’ older children, who died before the birth of her younger sister of the same name.

Betrothed (31 Mar 1289) to BERAUD [VIII] Seigneur de Mercœur, son of BERAUD [VII] Seigneur de Mercœur & his wife Blanche de Salins (-5 Apr 1321).