related by marriage
relatives by marriage with the second degree – a person is related by marriage (affinity) as closely as the second degree to his or her spouse and the following blood relatives of his or her spouse: children; grandchildren; parents; grandparents; brothers and sisters; nephews and nieces; uncles and aunts; and first cousins. marriage and family therapist means a marriage and family therapist licensed by the board to practice marriage and family therapy as defined in division (g) of section 4757.01 …