ДНК S08E142 - Выпуск 1177. Чужие родные внучки?

Pensioners from the Altai Territory want to prove that they have become grandparents of two charming granddaughters. Despite the fact that the girls are not registered with their father, he always considered them his own children. But the man, on the contrary, considered his official son to be a stranger by blood. So how many blood grandchildren do grandparents from the Altai Territory have?