Beatrice d'Este

http://genealogics.org/getperson.php?personID=I00114055&tree=LEO

- http://fmg.ac/Projects/MedLands/MODENA,%20FERRARA.htm#Beatricedied1339

a) BEATRICE d'Este (-10 Feb 1339). By charter dated 18 Dec 1338, "Conte Aymone di Savoia" appointed "Umberto di Vileta Signore di Chevron ed Aimone di Verdon" as proxies to confirm all obligations agreed by "Giacomo di Savoia Principe d'Acaia" relating to the dowry of "Beatrice figlia Rainaudo Marchese di Ferrara"[216]. An agreement dated 22 Jan 1339 between "Beatrice figlia del fu Marchese Renaldo d'Este" and "Obizione e Nicolao Marchesi d'Este" relates to the payment of dowry to "Giacomo di Savoia Principe d'Acaia"[217]. Although the wording of these documents do not confirm that this marriage ever took place (and the evident problems relating to the dowry suggest difficult negotiations), the 16 May 1366 testament of Prince Jacques names "…Principessa Sibilla di Beaux sua Seconda Consorte…" and therefore indicates that he was married before[218].

m (by proxy 18 Dec 1338, 22 Jan 1339[219]%29 as his first wife, JACQUES de Savoie Signore di Piemonte titular Prince of Achaia, son of PHILIPPE de Savoie Prince of Achaia & his second wife Catherine de Viennois ([6/16] Jan 1315-Pinerolo 14 May 1367). No issue.