Translations
so that you, your children, and your grandchildren might fear Yahweh your God all the days of your life by keeping all His decrees and commands I am giving you, and so that you may enjoy long life.
so that you might fear YHWH your Elohim—you and your son and your son's son—by keeping all His statutes and His commandments that I am commanding you, all the days of your life, and so that your days may be long.
That thou mightest fear the LORD thy God, to keep all his statutes and his commandments, which I command thee, thou, and thy son, and thy son's son, all the days of thy life; and that thy days may be prolonged.
so that you and your children and grandchildren may fear the LORD your God all the days of your lives by keeping all His statutes and commandments that I give you, and so that your days may be prolonged.

