Waleran II of Luxembourg, who was born in 1275 and died in 1354, was lord of Ligny, Roussy de Beauvoir and from 1288 to 1354. He was the son of Waleran I, comte de Ligny, and Jeanne de Beauvoir.
He married Guyotte of Haubourdin (1275 † 1338), chatelaine of Lille, and were:
* John I (1300 † 1364) Lord of Ligny, and Roussy de Beauvoir
* Waleran
* Jacques
* Catherine
In 1348, the eldest branch of the house of Limburg, represented by the counts of Berg died, and Waleran II won his cousin Charles IV of Luxembourg, German emperor, the right to resume their arms.