Quem se casou com Henry IV, Count of Bar?

Henry IV of Bar (abt 1315–1344) was count of Bar from 1336 to 1344. His aunt, Joan of Bar, Countess of Surrey, governed Bar in his name during his minority. He was the son of Edward I of Bar and his wife Marie of Burgundy. He married Yolande of Dampierre (died 1395), a granddaughter of Robert III, Count of Flanders.

Henry and Yolande had two sons:

• Edward II of Bar, became count on the death of his father
• Robert I of Bar, became count on the death of his brother

Iolanda de Dampierre, também conhecida como Iolanda de Flandres (em francês: Yolande; Castelo de Alluyes, 15 de setembro de 1326 — Castelo de la Motte-aux-Bois, 12 de dezembro de 1395) foi suo jure senhora de Nogent-le-Rotrou, Cassel, Dunquerque, Warneton, Bourbourg, Bergues, Gravelines, Nieppe, Bornem e Alluyes, Authon, La Bazoche, Brou e Montmirail, e La Puisaye. Foi regente do Condado de Bar em nome de seu filho, Eduardo II de Bar.