Isabelle of Luxembourg Countess of Flanders (1247–1298) Parents Margaret of Bar Henry V, Count of Luxembourg Children Isabelle of Flanders Beatrix of Flanders Guy of Namur Jeanne de Dampierre Henry, Count of Lodi Philippa of Flanders John I, Marquis of Namur Margaret of Dampierre Siblings Philippa of Luxembourg Waleran I of Luxembourg, Lord of Ligny Henry VI, Count of Luxembourg Henri bâtard de Luxembourg Baudouin de Luxembourg Partners Guy