Hugh I, Count of Blois
Hugh I, Count of Blois, also known as Hugh I of Châtillon was jure uxoris Count of Blois from 1230 to 1241, and Count of Saint Pol from 1226 to 1248.
Hugh was son of Gaucher III of Châtillon and Elisabeth, daughter of Hugo IV, Count of Saint-Pol. Wikipedia
Born: 1198
Died: April 9, 1248 (age 50 years), Avignon, France
Great-grandparents: Robert I, Count of Dreux, Walter II of Châtillon, Harvise d'Évreux, and more
Parents: Walter III of Châtillon and Elizabeth, Countess of Saint-Pol
Grandparents: Guy II de Châtillon, Hugh IV, Count of Saint-Pol, and Adèle of Dreux
Great grandchildren: Guy I, Count of Blois, John, Count of Saint-Pol, Mahaut of Châtillon, and more
Grandchildren: Gaucher V de Châtillon, Hugh II, Count of Blois, Guy IV, Count of Saint-Pol, and more