Isabelle De LUXEMBOURG COUNTESS OF FLANDERS/COUNTESS OF FLANDERS

Isabelle De was born about 1247 in Of, Luxembourg.  Isabelle De's father was Henri III (II) Count Of LUXEMBOURG-MAAS and her mother was Marguerite De BAR MOUSSON. She had two brothers and a sister, named Henri III Count Of, Walram I De and Philippine Countess de.  She was the second oldest of the four children.  She died on September 25th, 1298.