My first thought was that the man donated his sperm anonymously but then decided to claim that he's the father of a 11 years old but it doesn't seem anything like that
> The 49-year-old man and the child's mother, who was single at the time, had been friends when he agreed to donate his semen in 2006.
> They arranged to raise the child together but the pair later had a falling out, his lawyers said. The woman's lawyers argued he was not the father.
> However, the man was identified as a parent on the girl's birth certificate and she called him "Daddy".
I think this man has every right to be there for this child.