Orestheus, a son of Deucalion and Pyrrha, was king of the Ozolian Locrians in Aetolia. His dog was said to have given birth to a piece of wood, which Orestheus concealed in the earth. In the spring, a vine grew forth from it, from the sprouts of which (Greek ὅζοι ozoi "branches") he derived the name of his people.
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