In July, 1313, Philip married Joan the Lame (French: Jeanne), daughter of Robert II, Duke of Burgundy, and princess Agnes of France, the youngest daughter of Louis IX. In an ironic twist to his "male" ascendancy to the throne, the intelligent, strong-willed Joan, an able regent of France during the King's long military campaigns, was said to be the brains behind the throne and the real ruler of France.
Their children were:
John II (26 April 1319 – 8 April 1364)
Marie (1326–1333), who married John of Brabant, the son and heir of John III, Duke of Brabant, but died shortly afterwards.
Louis (17 January 1328 – 17 January 1328)
Louis (8 June 1330 – 23 June 1330)
Philip of Valois (1336–1375), Duke of Orleans