Judael gathered an army supported by Childebert's brother Chlothar I and killed Conomor in a battle in the Monts d'Arrée near Le Relecq, Plounéour-Ménez, which is named from the relics of the victims.
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Samson also prevailed on the Frankish king Childebert I to abandon his support for Conomor as protector of the English channel and to release Judael.