By the aid of Apollo, who served him as a slave - either as a punishment for having slain the Cyclopes, or out of affection for his mortal master - he won the hand of Alcestis, the most beautiful of the daughters of Pelias, king of Iolcus.
There are several snakes, including the viper (Pelias berus).
The list of reptiles includes the venomous Vipera ammodytes and Pelias berus, while scorpions and lizards infest the stony wastes of the Karst.
At the funeral games of Pelias, she wrestled with Peleus, and won.
This task had been imposed on Jason by his uncle Pelias, who had usurped the throne of Iolcus in Thessaly, which rightfully belonged to Jason's father Aeson.