One's family or family member(s); a colloquial way to refer to people who live in the same household.
今度の日曜日に家の人を連れて来てもいいですか。
May I bring my family next Sunday?
彼女の家の人はみんな親切だった。
Her family were all kind.
家の人によろしく伝えてください。
Please give my regards to your family.