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John I, Duke of Brittany is a member of the following lists: Peerage of England earl stubs, Medieval child rulers and 1286 deaths.
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I, Duke Of
30th November, 1216
8th October, 1286
John I the Red (in Breton Yann Iañ ar Ruz, in French Jean I le Roux) (1217 – October 8, 1286), known as John the Red due to the colour of his beard, was Duke of Brittany, from 1237 to his death. He was son of Duke Peter I and Alix of Thouars, heiress of the duchy.
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