The Megapenthes reference article from the English Wikipedia on 24-Apr-2004
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Megapenthes

Helping orphans the way you would do it
In Greek mythology, Megapénthês was a son of Proetus. He exchanged kingdoms (Argos for Tiryns) with his cousin, Perseus.


Also in Greek mythology, Megapénthês was a son of Menelaus and Helen. After his father's death, he sent his mother into exile.