Francis I, was Duke of Brittany, Count of Montfort and titular Earl of Richmond, from 29 August 1442 to his death. He was born in Vannes, the son of John V, Duke of Brittany and Joan of France, the daughter of King Charles VI of France. Wikipedia
Born: May 11, 1414, Vannes, France
Died: July 19, 1450 (age 36 years), Saint-Avé, France
Grandchildren: Claude de Rohan, François de Dreux, Anne de Rohan, and more
Children: Margaret of Brittany and Marie of Brittany, Viscountess of Rohan
Great grandchildren: René I, Viscount of Rohan, Louis V de Rohan, Seigneur de Guéméné, de Montbazon, and Robert Vipart
Great-grandparents: John of Montfort, Joanna of Flanders, Charles V of France, and more