And they said, “Believe in the Lord Jesus, and you will be saved, you and your household.” (Acts 16:31).
I will give them one heart and one way, that they may fear me forever, for their own good and the good of their children after them (Jr 32:39).
I will bless those who bless you, and him who dishonors you I will curse, and in you all the families of the earth shall be blessed. (Ge 12:3).
And I will establish my covenant between me and you and your offspring after you throughout their generations for an everlasting covenant, to be God to you and to your offspring after you (Ge 17:7).
Your offspring shall be like the dust of the earth, and you shall spread abroad to the west and to the east and to the north and to the south, and in you and your offspring shall all the families of the earth be blessed (Ge 28:14).
So Jacob said to his household and to all who were with him, Put away the foreign gods that are among you and purify yourselves and change your garments (Ge 35:2).
And because the midwives feared God, he gave them families (Ex 1:21).
Honor your father and your mother, that your days may be long in the land that the Lord your God is giving you (Ex 20:12).
Be careful to obey all these words that I command you, that it may go well with you and with your children after you forever, when you do what is good and right in the sight of the Lord your God (Deut 12:28).
And if it is evil in your eyes to serve the Lord, choose this day whom you will serve, whether the gods your fathers served in the region beyond the River, or the gods of the Amorites in whose land you dwell. But as for me and my house, we will serve the Lord.” (Jos 24:15).
Behold, children are a heritage from the Lord, the fruit of the womb a reward (Ps 127:3).
Hear, my son, your father’s instruction, and forsake not your mother’s teaching (Pr 1:8).
Grandchildren are the crown of the aged, and the glory of children is their fathers (Pr 17:6).
So then you are no longer strangers and aliens, but you are fellow citizens with the saints and members of the household of God (Eph 2:19).
1 Timothy 5:8
But if anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever (1 Ti 5:8).