Oh come on! There is no way he believed that girl was his daughter. Look at him, and look at her. No way.
Oh yeah, the Jerry Springer method of paternity identification, works every time.
Well, that likely wouldn’t have done him any good, claiming he wasn’t the father...
Heck, it often doesn’t work even if you can prove you aren’t actually the father...
He should sue the biological father to recover the money he spent raising his daughter for him.