Acastus was a son of Pelias. He was one of the Argonauts. When Medea caused his father's death he banished her and Jason. He was hospitable towards Peleus, but suspecting him of making advances towards his wife he left Peleus to die at the hands of the Centaurs. Peleus later returned to slay the couple. Research Acastus
In Greek mythology, Glaucus was a sea-god, the son of Anthedon and Alcyone or else Poseidon and Nais. In Greek mythology, Glaucus was the son of Sisyphus and Merope. He owned a team of mares which he kept high spirited by depriving them of the company of stallions. When he lost the chariot-race at Pelias' funeral games the mares became so angry that they killed and ate Glaucus, whose ghost subsequently haunted the stadium of the Isthmian Games near Corinth scaring horses. In Greek mythology Glaucus was the son of Minos. As a child he fell into a jar of honey and drowned, only to be brought back to life by the seer Polyidus using a herb. In Greek mythology Glaucus was son of Hippolochus, a Lycian and together with Sarpedon, the commander of the Lycian forces allied with Priam in the Trojan War. He was killed by Aias while they were fighting over the corpse of Achilles. Research Glaucus
Jason was the rightful king of Iolcus. He was smuggled out of Iolcus by Cheiron. When Jason returned to claim his birthright, Pelias sent him to fetch the golden fleece from Colchis. Research Jason