extended family
noun [countable + singular or plural verb]a family group with a close relationship among the members that includes not only parents and children but also uncles, aunts, grandparents, etc. 大家庭（几代同堂的家庭） She grew up surrounded by a large extended family. 她在一个大家族中长大。 It was difficult to maintain contact with members of his extended family. 与他的大家庭成员保持联系很困难。