https://www.answers.com/ancient-history/What_is_the_Greek_god_of_wine_Dionysus%27_relationship_to_the_Greek_god_of_the_sea_Poseidon
What is the Greek god of wine Dionysus' relationship to the Greek god of the sea Poseidon? - Answers
Poseidon was the uncle of Dionysus.
greek god of wine