Person:John I, Duke of Brittany (1)

John I _____, Duke of Brittany
m. 1212
  1. John I _____, Duke of Brittany1217 - 1286
  2. Yolande de Dreux, Countess of Penthièvre and of Porhoet1218 - 1272
  3. Olivier _____, Seigneur de Marchecoul I1231 - 1279
m. 16 Jan 1236
  1. Jean II _____, duc de Bretagne1239 - 1305
  2. Alix of Brittany1243 - 1288
Facts and Events
Name John I _____, Duke of Brittany
Gender Male
Birth? 1217 Bretagne, FranceHouse of Dreux
Marriage 16 Jan 1236 to Blanche of Navarre, Daughter of Theobald I
Death? 8 Oct 1286 Chateau De Isle, France
Reference Number? Q381851?

the text in this section is copied from an article in Wikipedia

John I (; c. 1217/188 October 1286), known as John the Red due to the colour of his beard, was Duke of Brittany from 1221 to his death and 2nd Earl of Richmond in 1268.

John was the eldest of three children born to Duchess Alix and her husband and jure uxoris co-ruler, Duke Peter I. He became duke upon his mother's death in 1221. His father, who had reigned as duke due to his marriage to Alix, ruled as regent until John reached adulthood. In 1268, Henry III granted the earldom of Richmond to John, and the title continued in his family, through frequent temporary forfeitures and reversions, until 1342.

He experienced a number of conflicts with the Bishop of Nantes and the Breton clergy. In 1240, he issued an edict expelling Jews from the duchy and cancelling all debts to them. He joined Louis IX of France in the Eighth Crusade in 1270, and survived the plague that killed the king. The duchy of Brittany experienced a century of peace, beginning with John I and ending with Duke John III's reign in 1341.

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  1.   John I, Duke of Brittany, in Wikipedia: The Free Encyclopedia.