Numerical division historically replaced kinship as the basis of group organization

Evidence

Numerical characterization as a form of organization marks an important step in the development of society. Historically, numerical division replaces the principle of the sib. It seems that in many places groups originally consisted of subgroups which were tied to one another by kinship and each of which 110 Quantitative Determination of Group Divisions formed a unit in economic, political, penal, and other respects. — Georg Simmel, The Sociology of Georg Simmel, 3449