Out of wedlock
We guess that these people were very religious and that thought having a kid out of wedlock was a sin. Whatever your religious affiliation is, we just don’t think it is right to have a child suffer because of it. They are, after all, just innocent human beings who are just starting their own journey.
Good thing this was just a visit and nothing more like he needed to be there to do something very important. If they relied on this person to show up in a really intense life-or-death situation, chances are they would have found themselves in a worse-off spot than in the start.