Tags: Noble.
Joan Countess of Saint-Pol and Ligny (d. 18 September 1430 Avignon) called the Demoiselle de Luxembourg was the daughter of Guy of Luxembourg Count of Ligny and Mahaut of Châtillon Countess of Saint-Pol.At the death of Philip I Duke of Brabant she was his nearest living relative on the Saint-Pol side and inherited Saint-Pol and Ligny upon his death on 14 August 1430. She was living at the time at Beaurevoir which belonged to her favorite nephew John.