Euripides. Suppliant women, 1995 page 22 (Theseus, king of Athens)
Brill’s new Pauly online, 19 June 2014 (Theseus, Θησεύς; mythical king of Athens; belongs to the generation before the Trojan War; son of Aethra daughter of Pittheus; divine father is Poseidon, human father is Aegeus, king of Athens; central episode in his legend is his voyage to Crete where he killed the Minotaur)
Wikipedia, 19 June 2014 (Theseus; Θησεύς; Θησέας; mythical founder-king of Athens, son of Aethra by two fathers, Aegeus and Poseidon; other forms: ثيسيوس; Teseu; Tesey; Тэсей; Тезей; Tezej; Teseiu; Teseo; Tezeo; Thésée; 테세우스; Þeseifur; תסאוס; Tesėjas; Thészeusz; Тезеј; テーセウス; Thesevs; Tezeusz; Tezeu; Тесей; Tiseu; 忒修斯)