John Tristan, Count of Valois
French prince
John Tristan 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. Wikipedia
Born: April 8, 1250, Damietta, Egypt
Died: August 3, 1270 (age 20 years), Tunis, Tunisia
Parents: Louis IX of France and Margaret of Provence
Great-grandparents: Philip II of France, Eleanor of England, Queen of Castile, Isabella of Hainault, and more
Grandparents: Louis VIII of France, Blanche of Castile, Beatrice of Savoy, and more
Spouse: Yolande II, Countess of Nevers (m. 1265)
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