Od (Homer, Odyssey) 11.631:
And I should have seen yet others of the men of former time, whom I was fain to behold, even Theseus and Peirithous, glorious children of the gods (original Greek).
Olympia, Archaeological Museum B 4198/9 (not B 2198, as in text): bronze shield-band relief with Theseus and Peirithoos in Hades
Edited by Aaron J. Ivey, Graduate Assistant, Dept. of Classics, Univ. of Georgia, June 2016, and by Frances Van Keuren, Prof. Emerita, Lamar Dodd School of Art, Univ. of Georgia, July 2016.
Gantz, Early Greek Myth (1993) 