King of Tiryns

King Eurystheus

In the greek mythology, Eurystheus was the king of Tiryns. He was the son of Sthenelus and Nicippe, and the grandson of the hero Perseus, as Heracles.
He was married to Antimache, daughter of Amphidimas.

The Twelve Labours

Eurystheus was the king, under whom, Heracles performed the twelve labours.

(First draft, needs more information)