Jesus’ earthly father, Joseph, has a curious genealogical quirk.

And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ. (Mt 1:16)

versus

And Jesus himself began to be about thirty years of age, being (as was supposed) the son of Joseph, which was the son of Heli. (Lk 3:32)

Unassailable contradiction?  Nope: