In Greek Mythology, Eumolpus was a legendary king of Thrace. He was described as having come to Attica either as a bard, a warrior, or a priest of Demeter and Dionysus.
Poseidon accompanied by a young warrior, sometimes identified as Eumolpus. Lucanian red-figure pelike, c. 420–400 BCE, from Heraclea, Lucania.
Musaeus of Athens was a legendary Greek polymath, philosopher, historian, prophet, seer, priest, poet, and musician, said to have been the founder of priestly poetry in Attica. He composed dedicatory
Eumolpus
…with Heracles, whom he is said to have instructed in music, or initiated into the mysteries. According to Diogenes Laërtius Eumolpus was the father of Musaeus. Lastly, according to Philochorus, Eumolpus was the father of the legendary poet Musaeus by the lunar goddess Selene. The tomb of Eumolpus was shown…
Linus teaches the letters to Musaeus on the tondo of a kylix. Eretria Painter, circa 440/35 BC. Paris, Louvre.