John_Tristan,_Count_of_Valois--Philip_III_of_France

John Tristan (8 April 1250 – 3 August 1270) was a French prince of the Capetian dynasty. He was jure uxoris count of Nevers from 1265 and of Auxerre and Tonnerre from 1268. He was also in his own right Count of Valois and Crépy, as an appanages of the crown, from 1268.