Bron yr ErwWelsh Dynastic WarsTrahaiaran ap CaradogGruffud of Gwynned52.6°N, -4.4°E· United KingdomLandIreland
NorwichNorman Conquest of BritainNorman EnglandRebel Earl of Norwich, Breton Allies52.6°N, 1.3°E· United KingdomLandBritainBretonNorfolkLords