Who married John, Dauphin Of France, Duke Of Touraine?

Jacqueline, Countess of Hainaut married John, Dauphin Of France, Duke Of Touraine on June 22, 1406. John, Dauphin of France, Duke of Touraine was 7 years old on the wedding day (7 years, 9 months and 23 days). Jacqueline, Countess of Hainaut was 4 years old on the wedding day (4 years, 11 months and 7 days). The age gap was 2 years, 10 months and 16 days.