Tisamenus in Greek mythology, was a son of Orestes and Hermione. He succeeded his father to the thrones of Argos, Mycenae and Sparta and was later killed in the final battle with the Heracleidae. The latter were led by Aristodemus, Cresphontes, Oxylus, Temenus and sought to retake the Peloponnese as their ancestral land. Following his death the victors divided his lands among them. Cresphontes became King of Messene, Oxylus of Elis and Temenus of Argos. Wikipedia
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