Guy I, Count of Blois
Guy I of Châtillon, Count of Blois, son of Hugh II of Châtillon and Beatrix of Dampierre, was Count of Blois and Lord of Avesnes 1307–1342.
In 1310, he married Margaret of Valois, daughter of Charles of Valois and sister of Philip VI of France. Wikipedia
Born: 1298
Died: August 12, 1342 (age 44 years), Blois, France
Grandchildren: Guy II, Count of Blois, John II, Count of Blois, John I, Duke of Lorraine, and more
Parents: Hugh II, Count of Blois and Beatrix of Dampierre
Great-grandparents: Hugh I, Count of Blois, Mary, Countess of Blois, Margaret II, Countess of Flanders, and more
Great grandchildren: Louis II of Anjou, Louis III de Châtillon, William, Viscount of Limoges, and more