Joan of Valois, Countess of Beaumont
| Joan of Valois | |
|---|---|
| Countess of Beaumont | |
| Born | 1304 |
| Died | 1363 Château Gaillard, Les Andelys, France |
| Spouse | Robert III of Artois |
| Issue | John of Artois, Count of Eu Joan of Artois James of Artois Robert of Artois Charles of Artois, Count of Pézenas |
| House | Valois |
| Father | Charles, Count of Valois |
| Mother | Catherine I, Latin Empress |
Joan of Valois (French: Jeanne de Valois; 1304–1363) was the daughter of Charles, Count of Valois and his second wife Catherine I of Courtenay, titular empress of Constantinople.
She was half-sister to King Philip VI of France. In around 1320, she married Robert III of Artois, later Count of Beaumont-le-Roger and seigneur of Conches. They had:
On several occasions, her husband Robert had attempted to claim the title of Count of Artois, which had been awarded to his aunt Mahaut of Artois by Philip IV of France and confirmed by his successors. Following a forgery scandal in 1329, Robert fled into exile, having forfeited his titles and honours. In 1331, Joan and her children were arrested by order of Philip and imprisoned at Château Gaillard, where she died in 1363.