September 29th , 1364
CHARLES (c. 13191364), duke of Brittany, known as CHARLES OF BLOIS and CHARLES OF CH~TfLLON, was the son of Guy of Chhtillon, count of Blois (d. 1342), and of Marguerite of Valois, sister of Philip VI. of France. In 1337 he married Jeanne of Penthivre