Hugh II of Châtillon, son of Guy III, Count of Saint-Pol, and Matilda of Brabant, was count of St Pol 1289–1292 and Count of Blois 1292–1307.
He married c. 1287 Beatrix of Dampierre, daughter of Guy of Flanders and Isabelle of Luxembourg. Wikipedia
Born: April 9, 1258
Died: 1307 (age 49 years), Blois, France
Grandchildren: Charles, Duke of Brittany, Louis II, Count of Blois, and Marie de Châtillon (1323-1363)
Spouse: Beatrix of Dampierre (m. 1287)