In Latin, it is known as "Omnes gentes plaudite manibus". Some motets, such as "Omnes Gentes" developed the model almost to its limits. Ius inter gentes corresponds to modern international law. Many gentes included both patrician and plebeian branches. Certain gentes were considered patrician, and others plebeian. Parasitic cuckoos are grouped into gentes, with each gens specializing in a particular host. Interbreeding was forbidden within gens (anthropology), although first cousins from separate gentes could still breed. On the other hand, "ius intra gentes", or civil law, is specific to each nation. Certain cults were traditionally associated with specific gentes. The separation of the patriarchal and matriarchal lines divided a family into gentes. Ad gentes to reach new regions and cultures. It was consequently one of the "minores gentes". "Ad gentes" focused on the factors involved in mission work. In Latin, it is known as "Quare fremuerunt gentes". There is some evidence that the gentes are genetically different from one another.