Families in which brothers and their wives (or sisters and their husbands) live together in a single household are called: the extended family.
What is the extended family?
This is the name that is used to refer to the families that are outside the nuclear family. The nuclear family is usually made up of the immediate family here we have the husband, his wife and their children.
The extended family would have other relatives living together in the same household, Hence we have different families that have the same roots living together.
Read more on extended family here: https://brainly.com/question/742392
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