Beatrice d'Avesnes, consort of Henry VI, Count of Luxembourg
Beatrice d'Avesnes (died: 1321) was a daughter of Baldwin of Avesnes and his wife Felicitas of Coucy. Baldwin was the son of Bouchard IV of Avesnes.

She married in 1265 Count Henry VI of Luxembourg and was the mother of:

Henry VII (1274–1313), Count of Luxemburg, King of the Romans in 1308 and Emperor in 1312.

Walram (d. 1311), Lord of Dourlers, Thirimont en Consorre

Felicitas (d. 1336), married in 1298 John Tristan (d. 1309), Count of Leuven

Baldwin (1285–1354), Archbishop of Trier (1307–1354)

Margaret (d. 1336), a nun in Lille and in Marienthal.