Otto de Grandson, sometimes numbered Otto I to distinguish him from later members of his family with the same name, was the most prominent of the Savoyard knights in the service of King Edward I of England, to whom he was the closest personal... Wikipedia
Born: 1238, Lausanne, Switzerland
Died: 1328 (age 90 years), Aigle, Switzerland
Partner: Blanche di Savoia
Great-grandparents: Jordane, Ebal III de Grandson, Sire de Belmont, Amadeus I, Count of Geneva, and more
Grandfathers: Ulrich III of Neuchâtel and Ebal IV, Sire de Grandson