1272 – 13 October 1311 in Pavia), was a Flemish noble who was the Lord of Ronse and later the self-proclaimed Count of Zeeland.
[1] In 1302, with his father in prison and Flanders under French occupation, he was sent by his elder brother John I, Marquis of Namur, to take command of the rebellion there.
[2] He led the troops from western Flanders at the Battle of the Golden Spurs, and received great acclamation for the victory there.
He took the title of Count of Zeeland and invaded Zeeland; but the French raised new armies, and he was beaten at the 1304 naval Battle of Zierikzee[3] and became a captive of the William III, Count of Hainaut.
Abandoning his designs on Zeeland, he went on campaign in Italy with his cousin Henry VII, Holy Roman Emperor.