Both " family" and " household" can refer to the people who are living together in the same house.

“家庭”和“家庭”都可以指住在同一所房子里的人。

In those days the principal expense of the sovereign seems to have consisted in the maintenance of his own family and household.

在那些日子里， 君主的主要开支似乎是维持他自己的家庭和家庭。