October 1307 at the age of 32. She was buried at the abbey of Maubuisson the following day, 12 October. Jacques de Molay, Grand Master of the Knights Templar served as one of her pallbearers. Issue By Charles of Valois, Catherine I had four children: John, Count of Chartres (1302–1308). Catherine II of Valois, Princess of Achaea, titular Empress of Constantinople (before 15 April 1303 – October 1346). She married Philip I of Anjou, Prince of Taranto and had issue. Joan of Valois (1304 – 9 July 1363), married Count Robert III of Artois Isabella of Valois (1305 – 11 November 1349), Abbess of Fontevrault. See also Jacques de Molay was arrested by King Philip IV the day after attending her funeral on 12 October 1307 in Paris. References Sources Ancestry External links 1274 births 1307 deaths 13th-century Latin Emperors of Constantinople 14th-century Latin Emperors of Constantinople Capetian House of Courtenay Latin Empresses of Constantinople Women of the Crusader states 13th-century women rulers 14th-century women rulers 13th-century French people 13th-century French women 14th-century French people 14th-century French women Daughters of emperors Countesses of Chartres Empresses regnant