Erinnyes or Evmenides are considered to be daughters of Persephone and Plouton or Ether and Gaia or Gaia and Skotos or Night alone. Erinnyes are called when they are on earth and Evmenides when they are on Hades. They were three in number: Alekto, Tisifoneand Megaira. They were leaving next to the entrance of Tartaros. They were avenging and revengeful goddesses. They were tough, rigid and adamant.