Gelanor

Gelanor is also a spider genus (Mimetidae) In Greek mythology, King Gelanor of Argos welcomed Danaus and his daughters. When an oracle told him to give Danaus his kingdom, he did so. He wanted to sell the Danaides into slavery following their murder of their husbands, but Danaus and the gods dissuaded him. He is simply called the "King" in Aeschylus' Suppliant Maidens.
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[Greek heroic] The son of Sthelenus, king of Argos. When Danaus and his daughters arrived at Argos and claimed rulership, Gelanor, after he had given a divine sign, gave him control over Argos.