American Standard Version (ASV):
and that their children, who have not known, may hear, and learn to fear Jehovah your God, as long as ye live in the land whither ye go over the Jordan to possess it.
King James Version (KJV):
And [that] their children, which have not known [any thing], may hear, and learn to fear the LORD your God, as long as ye live in the land whither ye go over Jordan to possess it.