Oral conception. Impregnation via the proximal gastrointestinal tract (1988) [pdf]

"and some cattle changed hands to prove that there were no hard feelings."

"The fact that the son resembled the father excludes an even more miraculous conception."

I do wonder how often atypical conception happens, but unlike here, because it's with people with normal reproductive organs, they are not believed.

For example: "I went swimming after some boys used the pool." and stories like that.

Ha ha ha, this is gold. Apparently this is what the ancient Egyptians told their girlfriends would get them pregnant too :-D