UK: Man mixes his sperm with his father's to get his wife pregnant. Barnsley Town Council has applied to the High Court to find out the true parentage of the child, born 5 years ago.

But the courts ruled that it remained the family’s “affair”. The grandfather would in fact be the father, and the father the half-brother. The little boy, now five years old, was “an only child who would not exist without the unusual arrangements’