Oedipus complex desire (libido) for mother, and aggression towards father, student–collaborator Carl Jung counter-proposed that girls experienced desire for father and aggression towards mother via the Electra complex—derived from the 5th-century BC Greek mythologic character Electra, who plotted matricidal revenge with Orestes, her brother, against Clytemnestra, their mother, and Aegisthus, their stepfather, for their murder of Agamemnon, her father (cf. "Electra", by Sophocles). Moreover, because it is native to Freudian psychology, orthodox Jungian psychology uses the term "Oedipus complex" only to denote a boy's psychosexual development. In classical Freudian psychology the super-ego, "the heir to the Oedipus complex", is formed as the
Oedipus complex countries that have legalized gay marriage stands at 29, including the majority of European nations and the Americas. Scientific and technological advancements have allowed gay couples to start families through adoption or surrogacy. As a result the pillars of the family structure are diversifying to include parents who are single or of the same sex as their partner along with the traditional heterosexual, married parents. These new family structures pose new questions for the psychoanalytic theories such as the Oedipus complex that require the presence of the mother and the father in the successful development of a child. However as