The author deals with the legal aspects of the most common consequences of father's role changed in the event of a divorce and the separation of unmarried parents' community. After a brief against the legal aspects of paternity, termination of marriage in certain European countries, the author presents the legal aspects of paternity in the Slovenian legal system and particularly stresses the importance of the compromise agreement on the allocation of the parents of the child after the divorce, which is governed by 64.člen ZZZDR-UPB1, child's right to receive payment of duty and his father (or agreed. specified) maintenance, and the right child to both parents - even to his father, and the right child to personal contact with both parents and thus also with his father, who has a great importance upon his educational achievements.