William I of Geneva

William I of Geneva (c. 1132 – 25 July 1195) was Count of Geneva from 1178 to 1195. He was the son of Amadeus I, Count of Geneva and Matilda de Cuiseaux.^[1]

William married Agnes of Savoy.^[1] They had:

• Humbert [fr; it]^[1]

Following his first wife's death c. 1172,^[2] William married Marguerite Beatrice de Faucigny,^[1] they had:

• Marguerite of Geneva, wife of Thomas I of Savoy^[1]
• William II of Geneva

William's third marriage, to Beatrice de Vaupergue, his last wife, was childless. He died at the Château de Novel in Annecy, France.

• Pollock, M.A. (2015). Scotland, England and France after the Loss of Normandy, 1204-1296: 'Auld Amitie'. The Boydell Press.
• Previte-Orton, C.W. (1912). The Early History of the House of Savoy: 1000–1233. Cambridge University Press.