Parents
Father: Count Robert III of Flanders Born: 1257 Married: Unknown Died: September 17, 1322
Mother: Princess Yolanda of Bourgogne Born: December 5, 1257 Died: June 2, 1280
Children: 1. Princess Yolanda of Nevers (b.1274) 2. Count Louis I of Nevers (b.1275) 3. Princess Jeanne of Nevers (b.1277) 4. Princess Mathilde of Nevers (b.1278) 5. Count Robert of Flanders-Marle (b.1281)