
1) Agiad king of Sparta 2) Mythological king of Sparta
Found on
https://www.crosswordclues.com/clue/eurysthenes

In Greek mythology, Eurysthenes (Εὐρυσθένης, `widely ruling`) was one of the Heracleidae, a great-great-great-grandson of Heracles, and a son of Aristodemus and Argia. His twin was Procles. Together they received the land of Lacedaemon after Cresphontes, Temenus and Aristodemus defeated Tisamenus, the last Achaean king of the Peloponn.....
Found on
http://en.wikipedia.org/wiki/Eurysthenes
No exact match found.