He served Philip the Bold and his son John the Fearless in the capacity of councillor and chamberlain.
In 1384, Jean married a wealthy heiress, Marguerite de Craon (ca 1370–1420),[2] successfully suing her first husband's family upon her death.
Four years later, he was appointed Governor of Artois and led the ducal armies against the rebellious citizens of Liège.
He was recorded as the Grand-Bouteiller of King Charles VI of France in 1412, when he laid siege to Bourges.
The following year, Isabeau of Bavaria had Jean apprehended and incarcerated in the castle of Montlhéry, whence he escaped.