People who make up a family—parents, children, etc.; the familial group or household.
週末は家族と一緒に映画を見に行った。
I went to see a movie with my family over the weekend.
彼は家族を大切にしている。
He values his family.
家族構成を教えてください。
Please tell me your family composition (who is in your family).
家族で夕食を囲む時間が一番落ち着く。
The time spent having dinner with my family is the most relaxing.