Philippa of Luxembourg (1252 – 6 April 1311) was the daughter of Count Henry V of Luxembourg and his wife, Marguerite of Bar. She married John II, Count of Holland.
The children of John II of Holland and Philippa of Luxembourg included:
John (died 1302)
Henry (died 1303), a canon in Cambrai
Simon
William I, Count of Hainaut, father of Queen Philippa and Margaret II
John (Jean) (1288–1356), Seigneur de Beaumont. Married Marguerite, Countess of Soissons.
Margaret (died 1342), wife of Robert II of Artois
Alix (died 1317), wife of Roger Bigod, 5th Earl of Norfolk
Isabelle (died 1305), wife of Raoul de Clermont, Seigneur de Nesle.
Jeanne, nun at Fontenelles
Mary of Avesnes (1280–1354), wife of Louis I, Duke of Bourbon
Matilda, Abbess of Nivelles
Willem de Cuser (born 1290, date of death unknown)