He first married
Sybille de Baugé, daughter of Guy I Damas de Baugé, Baron of Couzan (c.1230–1269) and Dauphine de Lavieu, and had eight children by her: • Bonne of Savoy, married twice: 1) John I of Viennois, Dauphin of Viennois, 2) Hugh of Burgundy, Lord of Montbauson, the son of
Hugh III, Count of Burgundy. • John of Savoy (*1284–?) • Beatrice of Savoy (*1291–1294), in 1291 fiancée promises marriage to Count
William III of Geneva, eventually the contract was annulled, William married her younger sister Agnes. •
Edward of Savoy (d. 1329), succeeded his father, and married
Blanche of Burgundy, daughter of
Robert II, Duke of Burgundy. • Eleonor of Savoy (d. after 1317), married three times: 1) William of Chalon, Count of Auxerre and
Tonnerre, 2) Dreux IV of Mello, and 3) John I, Count of
Forez. Her daughter Marguerite de Mello married
John II of Chalon-Arlay. • Margaret of Savoy (d. 1349), married
John I of Montferrat. • Agnes of Savoy (d. 1322), married
William III of Geneva. Their son was
Amadeus III of Geneva. •
Aymon of Savoy (d. 1343), succeeded his brother Edward as Count of Savoy, and married
Yolande of Montferrat, the daughter of
Theodore I, Marquess of Montferrat. In 1297, he married, secondly,
Marie of Brabant, who was a daughter of
John I, Duke of Brabant and
Margaret of Flanders. Her maternal grandparents were
Guy of Dampierre and his first wife, Matilda of Bethune. They had 4 children: • Maria of Savoy, married Hugh, Baron of
Faucigny, the son of
Humbert I of Viennois. •
Catherine of Savoy (d. 1336), married
Leopold I, Duke of Austria and Styria. •
Anna of Savoy (d. 1359), married
Byzantine Emperor Andronikos III Palaiologos. • Beatrice of Savoy (1310–1331), married, in 1327,
Henry VI, Duke of Carinthia. ==References==