Milk kinship, formed during nursing by a non-biological mother, was a form of fostering allegiance with fellow community members.This particular form of kinship did not exclude particular groups, such that class and other hierarchal systems did not matter in terms of milk kinship participation.. Traditionally speaking, this practice predates the early modern period, though it became a …

Primogeniture (/ ˌ p r aɪ m-ə-/ also /-oʊ-ˈ dʒ ɛ n ɪ tʃ ər /) is the right, by law or custom, of the firstborn legitimate child to inherit the parent's entire or main estate in preference to shared inheritance among all or some children, any illegitimate child or any collateral relative. In most contexts, it means the inheritance of the firstborn son (agnatic primogeniture); it can ...

In anthropology, kinship is the web of social relationships that form an important part of the lives of all humans in all societies, although its exact meanings even within this discipline are often debated. Anthropologist Robin Fox says that the study of kinship is the study of what humans do with these basic facts of life – mating, gestation, parenthood, socialization, siblingship etc ...

Kinship terminology is the system used in languages to refer to the persons to whom an individual is related through kinship.Different societies classify kinship relations differently and therefore use different systems of kinship terminology; for example, some languages distinguish between consanguine and affinal uncles ( i.e. the brothers of one's parents and the husbands …

The total fertility rate of women varies from country to country, from a high of 6.76 children born/woman in Niger to a low of 0.81 in Singapore (as of 2015). Fertility is low in most Eastern European and Southern European countries, and high in most sub-Saharan African countries.. In some cultures, the mother's preference of family size influences that of the children through …

Patrilineality, also known as the male line, the spear side or agnatic kinship, is a common kinship system in which an individual's family membership derives from and is recorded through their father's lineage. It generally involves the inheritance of property, rights, names, or titles by persons related through male kin. This is sometimes distinguished from cognate kinship, …

The remaining types of kinship terminology (the "Hawaiian", "Eskimo" and "Sudanese") do not group parallel cousins together in opposition to cross-cousins. Taboos [ edit ] John Maynard Smith , in The Evolution of Sex (1978) [1] notes that Richard D. Alexander suggested that uncertainty regarding paternity may help account for the intermarriage taboo on parallel, but not on cross …

Social stratification refers to a society's categorization of its people into groups based on socioeconomic factors like wealth, income, race, education, ethnicity, gender, occupation, social status, or derived power (social and political). As such, stratification is the relative social position of persons within a social group, category, geographic region, or social unit.

Polygamy (from Late Greek πολυγαμία (polugamía) "state of marriage to many spouses") is the practice of marrying multiple spouses.When a man is married to more than one wife at the same time, sociologists call this polygyny.When a woman is married to more than one husband at a time, it is called polyandry.. In contrast to polygamy, monogamy is marriage consisting of only …

A cousin marriage is a marriage where the spouses are cousins (i.e. people with common grandparents or people who share other fairly recent ancestors). The practice was common in earlier times, and continues to be common in some societies today, though in some jurisdictions such marriages are prohibited. Worldwide, more than 10% of marriages are between first or …