Robert III Dampierre of Flanders
- Born: 1249
- Died: 1322 at age 73
Robert's father essentially gave up the rule of Flanders to him in November 1299, during his war with Philip IV of France. Both father and son were taken into captivity in May 1300, and Robert was not released until 1305.
Robert married twice. His first wife was Blanche (d. 1269), daughter of Charles I of Sicily, in 1265. They had one son, Charles, who died young. His second wife was Yolande (d. June 11, 1280), Countess of Nevers, daughter of Eudes of Burgundy, in c. 1271. They had five children:
1. Louis (d. July 24, 1322, Paris), Count of Nevers, married December 1290 Jeanne of Rethel (d. aft. March 12, 1328), Countess of Rethel
2. Robert (d. 1331), Count of Marle, married c. 1323 Jean of Brittany (1296 - March 24, 1363), Lady of Nogent-le-Rotrou.
3. Jeanne (d. October 15, 1333), married 1288 Enguerrand IV de Coucy (d. 1310), Viscount of Meaux
4. Yolande (d. 1313), married c. 1287 Walter II of Enghien (d. 1309)
5. Matilda, married c. 1314 Matthias of Lorraine (d. c. 1330), Lord of Warsberg
He was succeeded by his grandson, Louis, Count of Nevers and Rethel.