Henry III, Marquis of Namur

Stained glass window in the chapel of Clairefontaine Abbey in Belgium depicting Henry V, Count of Luxembourg.

Henry V the Blondell (1216 – 24 December 1281), called the Great, was the Count of Arlonfrom 1226 to his death, lord of Ligny from 1240 to his death, Count of Luxembourg and Laroche from 1247 to his death, and the Marquis of Namur between 1256 and 1264 as Henry III. He was the son and successor of Waleran III, Duke of Limburg and Ermesinde, Countess of Luxembourg.