Electra

  1. The daughter of Oceanus and Thetys.  She married Thaumus and gave birth to the Harpies, Iris and others.
  2. A daughter of Agamemnon and Clytemnestra.  Together with her brother Orestes, she avenged the death of the father by killing their mother Clytemnestra.  Hence, the Electra Complex.

Source(s)

  1. HesiodTheogeny.

  2. AeschylusOresteia.