One Household, many Homes
Christ has just one household (his Ekklesia) which consists of all the families of saints in heaven and earth.
Christ came to raise a large family (household) of Sons of God after his own image and likeness.
Christs desires that we relate as his family, scaling up until we are his nation of many family units. This was the way things were in the book of Acts.
For this cause I bow my knees unto the Father of our Lord Jesus Christ, Of whom the whole family in heaven and earth is named