Megapenthes of Sparta was Iphiloche or Echemela. At the death of their father, Megapenthes and his brother or half-brother Nicostratus together seized the throne of Sparta and drove Helen out. They were depicted on the throne in Amyclae riding the same horse. Megapenthes of Sparta In Greek mythology, Megapenthes (; Ancient Greek: Μεγαπένθης "Megapénthēs"), a Spartan prince and son of Menelaus, who ruled after his father's death and sent his mother (or step-mother) Helen into exile. In some legends, Helen was his mother; in most, however, he was Menelaus's son by a concubine, Pieris or Tereis, and was born during the Trojan War.
History of Sparta or expert advice. By 408 the Great King had perceived that the agreement with the Spartans was not being implemented. He sent his brother, Cyrus the younger, to relieve Tissaphernes of his command of Lydia. Tissaphernes was pushed aside to the governorship of Caria. Exposed, Alcibiades departed for Athens in 407. In his place Sparta sent an agent of similar capabilities, a friend of King Agis, Lysander, who as "a diplomat and organizer ... was almost flawless, unless we count arrogance, dishonesty, unscrupulousness and brutality as flaws." He and Cyrus got along well. Upgrade of the Spartan fleet proceeded rapidly.