Marriage and family are social structures that although they are closely related, they are not identical. What is making them different is: specificity of the relation, the nature of power and functions, roles and tasks which socially were granted them. The study of marriage is a subject of various scientific disciplines such as law, theology, sociology and psychology. According to assumptions of the system theory the quality and character of the relation between spouses in the significant way are projecting onto the family entire system. We may say, that the marriage constitutes the important point of reference, the base, on which relations and bonds are being built between members of other family subsystems, a family system of values is ...