In Greek mythology, Glaucus was a Greek prophetic sea-god, born mortal and turned immortal upon eating a magical herb. It was believed that he came to the rescue of sailors and fishermen in storms, having earlier earned a living from the sea himself.

In Greek mythology, Nereus was the eldest son of Pontus and Gaia, with Pontus himself being a son of Gaia. Nereus and Doris became the parents of 50 daughters and a son (Nerites), with whom Nereus lived in the Aegean Sea.