A(n) family consists of at least three generations (e. g., parents, children, grandparents).

The answer is extended family. The extended family is to live either with or set up of an individual from the close family. These families incorporate, in one family unit, close relatives notwithstanding a close family. A case would be an elderly parent who moves in with his or her youngsters because of seniority. In present-day Western societies ruled by close family builds, the term has come to be utilized blandly to allude to grandparents, uncles, aunties, and cousins, regardless of whether they live respectively inside a similar family or not.