Twins in mythology upon. However, other cultures attribute the outcome of twins to superior virility of the father. In various mythologies, twins often represent the dualistic nature of the universe. In Greek mythology, twins Apollo and Artemis, are the sun god and moon goddess, respectively. Similar forms of higher beings are reflected throughout different mythologies, as twin brothers Kuat and Iae represent the sun and moon in the Xingu mythology of Brazil. Egyptian God, Geb, and his twin sister, Nut, represented the binary nature of the world, with Geb being the God of the Earth, and Nut being the Goddess of the sky.
Didymeia (sister of Seleucus I Nicator) name and the name of her sons were typical Greek names of their time. She may have been the Didymeia that is associated with the mythology of Seleucus I. Her mother’s alleged sexual relations with Apollo to the allegation that the oracle of the Branchidae that greeted her brother as ‘King’ in 312 BC (see Didyma). Didymeia (sister of Seleucus I Nicator) Didymeia (flourished 4th and 3rd centuries BC, Greek: "η Δηιδάμεια") was a Greek Macedonian noblewoman. She originally came from an upper Macedonian noble family. Didymeia was the daughter of Antiochus and Laodice of Macedonia. Her father served as