I.
Project Gutenberg EPUB3 edition
Aeschylus and Murray, Gilbert
TANTALUS | Pelops | ——————————————————————————— | | Atreus Thyestes | | ————————————————— | | | | Agamemnon Menelaus Aigisthos (= Clytemnestra) (= Helen) (= Clytemnestra) | ———————————————————————— | | | Iphigenia Electra Orestes
(Also, a sister of Agamemnon, name variously given, married Strophios, and was the mother of Pylades.)