extended family
noun
- a family that includes in one household near relatives (such as grandparents, aunts, or uncles) in addition to a nuclear family
- an extensive group of people who are related by blood or marriage or who otherwise regard themselves as a large family
Wiktionary
noun
- A family consisting of parents and children, along with additional members such as grandparents, grandchildren, aunts or uncles, cousins, etc.
“Angaran females typically give birth to several young who require support and supervision, resulting in large extended families that become accustomed to living and working together.”
“The old men nap on couches, waiting for dessert. It’s the extended family in all its tangled, loving, exhausting glory.”