A social network of people based on common ancestry, marriage, or adoption.

Systems that establish relationships between individuals and groups on the basis of socially recognised biological relationships or marital links.

state of relatedness or connection by blood or marriage or adoption

a semi-permanent association of players into a group, and is one of the major social systems for the game

a support group for former/present Seventh Day Adventist, LGBT people

principle of organizing individuals into social groups, roles, and categories based on parentage and marriage.

Kinship is the most basic principle of organizing individuals into social groups, roles, and categories. It was originally thought to be determined by biological descent, a view that was challenged by David M. Schneider in his work on Symbolic Kinship (1984, A Critique of The Study of Kinship).