ДНК S08E154 - Выпуск 1189

While watching the DNA program, the woman heard the suspiciously familiar first and last name of the man. The woman is sure that this Vitaly has another son by blood, her grandson. However, the man's sisters believe that their brother has only one son, the one with whom the relationship has already been confirmed. So how many children does Vitaly have with the rare surname Kohl?