No, you mean the 'sperm donor'. He's no more a 'dad' than a fly is a bird.
Sadly, those kids will grow up without the slightest idea what a real father is. I pity them.
???
Jon has ALWAYS been a good dad to those kids.
What are you talking about?? “the ‘sperm donor’. He’s no more a ‘dad’ than a fly is a bird.”?????