A group of two or more people who cooperate economically and are related by blood, marriage, or affiliation.
Limiting the scope of family to two adults and their children.
A family composed of your nuclear family plus extended relatives such as grandparents, cousins, aunts, and uncles.
A legal union usually involving economic cooperation, sexual activity, and (sometimes) childbearing.
A culturally patterned social relationship based on common ancestry, marriage, or adoption.