Hermione (mythology) with her cousin Orestes. Hermione and Orestes were married, and she gave birth to his heir Tisamenus. The myths do not mention Hermione after that, though it is said that Orestes later married his half-sister Erigone, daughter of Clytemnestra and Aigisthus, who was Orestes' second cousin. Hermione (mythology) In Greek mythology, Hermione (; ) was the only child of Menelaus, king of Sparta, and his wife, Helen of Troy. Prior to the Trojan War, Hermione had been betrothed by Tyndareus, her grandfather, to Orestes, son of her father's brother, Agamemnon; she was just nine years old when Paris, son of
Tyndareus Tyndareus In Greek mythology, Tyndareus (; Ancient Greek: Τυνδάρεος, "Tundáreos"; Attic: Τυνδάρεως, "Tundáreōs"; ) was a Spartan king. Tyndareus was the son of Oebalus (or Perieres) and Gorgophone (or Bateia). He married the Aetolian princess, Leda by whom he became the father of Castor, Clytemnestra, Timandra, Phoebe and Philonoe, and the stepfather of Helen of Troy and Pollux. Tyndareus had a brother named Hippocoon, who seized power and exiled Tyndareus. He was reinstated by Heracles, who killed Hippocoon and his sons. Tyndareus’ other brother was Icarius, the father of Penelope. Tyndareus’ wife Leda was seduced by Zeus, who disguised himself