Genesius
Γενέσιος
(Γενέσιος), that is, " the father," a surname of Poseidon, under which he had a sanctuary near Lerna, on the sea-coast. (Paus. 2.38.4.) The name is identical in meaning with Genethlius (γενέθλιος), under which the same god had a sanctuary at Sparta. (Paus. 3.15.7.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.