extended family

social unit consisting of parents and their children along with other relatives

Extended family (or joint family) is a term with several distinct meanings. First, it is used synonymously with consanguineous family. Second, in societies dominated by the conjugal family, it is used to refer to kindred who does not belong to the conjugal family. Often there could be many generations living under the same roof.
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Noun
1. a family consisting of the nuclear family and their blood relatives
(hypernym) family, household, house, home, menage