Ridoredh of Vannes

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Rivallo IV, Prince of Brittany, Earl of Poher, (died November 12, 857), was a son of Saint Salomon, or Salaün, King of Brittany.[1]

He had a son called Alan, Earl of Vannes, Prince of Brittany, who died around 907.


  1. ^ "Kingdoms of Armorican Celts - Brittany / High Kings". www.historyfiles.co.uk. Retrieved 2019-05-26.