New Revised Standard Version
in order that he may establish you today as his people, and that he may be your God, as he promised you and as he swore to your ancestors, to Abraham, to Isaac, and to Jacob.

New American Bible
so that he may establish you today as his people and he may be your God, as he promised you and as he swore to your ancestors, to Abraham, Isaac and Jacob.

Douay-Rheims Bible
That he may raise thee up a people to himself, and he may be thy God as he hath spoken to thee, and as he swore to thy fathers Abraham, Isaac, and Jacob.

That he may raise thee up a people to himself, and he may be thy God as he hath spoken to thee, and as he swore to thy fathers Abraham, Isaac, and Jacob.

establish

Deuteronomy 7:6 Because thou art a holy people to the Lord thy God. The Lord thy God hath chosen thee, to be his peculiar people of all peoples that are upon the earth.

Deuteronomy 26:18,19 And the Lord hath chosen thee this day, to be his peculiar people, as he hath spoken to thee, and to keep all his commandments: . . .

Deuteronomy 28:9 The Lord will raise thee up to be a holy people to himself, as he swore to thee: if thou keep the commandments of the Lord thy God, and walk in his ways.

he may be

Genesis 17:7 And I will establish my covenant between me and thee, and between thy seed after thee in their generations, by a perpetual covenant: to be a God to thee, and to thy seed after thee.

Genesis 26:3,4 And sojourn in it, and I will be with thee, and will bless thee: for to thee and to thy seed I will give all these countries, to fulfil the oath which I swore to Abraham thy father. . . .

Genesis 38:13-15 And it was told Thamar that her father-in-law was come up to Thamnas to shear his sheep. . . .

Exodus 6:7 And I will take you to myself for my people, I will be your God: and you shall know that I am the Lord your God, who brought you out from the work-prison of the Egyptians:

Jeremiah 31:31-33 Behold the days shall come, saith the Lord, and I will make a new covenant with the house of Israel, and with the house of Juda: . . .

Jeremiah 32:38 And they shall be my people, and I will be their God.

Hebrews 11:16 But now they desire a better, that is to say, a heavenly country. Therefore, God is not ashamed to be called their God: for he hath prepared for them a city.