4. An Athenian, of the priestly family of the Eumolpidae, whom Ptolemy Lagi brought over to Egypt, to preside over and interpret religious rites and ceremonies. He was consulted by the king when, in consequence of a dream, he was contemplating the introduction of the foreign deity Serapis. (Tac. Hist. 4.83; Plut. de Is. et Osir. 28.)
[E.E]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890