As long as descent was traced from female lineage, members of the gens became heirs to their deceased relatives on the mother’s side. All property remained within the gens. Under the changed conditions the father had become owner of flocks and slaves, weapons and produce, but being a member of his mother’s gens he could not will his property to his children, but had to leave same to his brothers and sisters or to his sisters’ children. His own children were disinherited. A strong desire for changing this state of affairs therefore began to manifest itself, and it was changed accordingly. Polygamy and polyandry gave way to the pairing family. A certain man lived with a certain woman, and the children born from this relation were their children. These pairing families developed gradually, being hampered by the marriage interdicts of the gentile constitution, but favored by the above enumerated economic causes. The old household communities were not in keeping with the idea of private property. Class and occupation became determining factors in the choice of a place of residence. An increased production of commodities gave rise to commerce among neighboring and more widely separated nations and necessitated the development of finance. Man was the one to conduct and control this development. His private interests, therefore, were no longer harmonious to the old gentile organization; on the contrary, they were frequently diametrically opposed to it. Therefore this organization became of less and less importance, and finally all that remained of the gens was the conducting of a number of religious rites within the family group. The economic significance was lost and the final dissolution of the gentile constitution only remained a question of time. With the breaking up of the old gentile organization the power and influence of woman rapidly declined. The matriarchate disappeared and the patriarchate took its place. Man, being an owner of private property, had an interest in having legitimate children to whom he could will his property, and ~he, therefore, forced upon woman the prohibition of intercourse with other men~.