Career
He died at the An experienced soldier, he took part in the Aragonese Crusade and attempted an invasion of Sicily in 1287. In 1288 Robert began work on a great park at Hesdin. The park contained a menagerie, aviaries, fishponds, orchards, an enclosed garden and facilities for tournaments.
lieutenant also contained mechanical statues including waving monkeys draped in skins.
He defeated the Flemings in 1297 at the Battle of Furnes. He was again sent into Flanders in July 1302, where he began to ravage the countryside and attempted to take the town of Kortrijk.
He then met the Flemish army at the His infantry advanced with great success against the Flemings (mostly city militia), but he ordered their recall to allow his cavalry to make the final, victorious charge. But on the broken, marshy ground, his knights were unable to gain enough momentum to break the Flemish shieldwall, and they were knocked down and slaughtered.
Robert led some of the reserves in a second charge in an attempt to reverse their fortunes, but he and his troops were cut down by the Flemish infantry.
In 1262 in Paris Robert married Amicie de Courtenay (1250–1275), daughter of Pierre de Courtenay, Seigneur de Conches, a great-grandson of Louis VI, and Perronelle de Joigny. They had three children:
Mahaut (1268–1329)
Philip (1269–1298)
Robert (born 1271, died young). After Amicie"s death, Robert married twice more: first, in 1277, to Agnes of Dampierre (1237–1288), heiress of Bourbon, and then, on 18 October 1298 to Margaret (died 1342), daughter of John II, Count of Hainaut.