ID: 3803(previous next)
Name: John I, Duke of Brittany
Full Name: John
Born:c1217
Died: 08/10/12869, aged 69
Style: Duke of Brittany
Territories:
Peter I, Duke of Brittany|Duke of Brittany|Arthur II, Duke of Brittany
From: 1237
To: 1286
Parent: Peter I, Duke of Brittany
Parent: Alix of Thouars
Spouse: Blanche of Navarre
marriage dates not yet recorded
John I, Duke of Brittany and Blanche of Navarre are 3rd cousins once removed Common ancestors
With: Blanche of Navarre
Child: John II, Duke of Brittany at the age of 22