King Neptune (1932)
Alright, some of the incest debate is getting a little annoying. Can we just look at the fact that this is a Disney cartoon and they once had refused to dub From Up On Poppy Hill just because it has an implied incest as a main conflict and it doesn't even turn out to be true at the end. And I heard that cheekmarks are a result of one's exposure to magic or something? I think Daron said that at comic con.