John I of Chalon-Auxerre
Encyclopedia
John I of Chalon-Auxerre (1243–1309) was a son of John, Count of Chalon
and his third wife Isabella van Courtenay - his brother was bishop Hugo III of Chalon. John I married Adelaide of Auxerre and they ruled jointly as count of Auxerre. John was the father of William of Chalon.
John, Count of Chalon
John , called the Old , was a French nobleman, the Count of Auxonne and Chalon-sur-Saône in his own right and regent of the County of Burgundy in right of his son, Hugh III....
and his third wife Isabella van Courtenay - his brother was bishop Hugo III of Chalon. John I married Adelaide of Auxerre and they ruled jointly as count of Auxerre. John was the father of William of Chalon.