Louis II d'Orléans, Duke of Longueville
Louis II d'Orléans, duc de Longueville and comte de Dunois was a French aristocrat and the first husband of Mary of Guise, who later became queen consort of Scotland and mother to Mary, Queen of Scots. Wikipedia
Born: June 5, 1510
Died: June 9, 1537 (age 27 years)
Great-grandparents: Jean de Dunois and Rudolf IV, Margrave of Hachberg-Sausenberg
Grandparents: François I, Duke of Longueville and Philip of Hachberg-Sausenberg