This Bible contradiction is from the Infidels.org.

Verses

Matthew 1:6 View context

And Jesse begat David the king; and David the king begat Solomon of her [that had been the wife] of Urias;

Luke 3:23 View context

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,