New Living Translation
However, he did not kill the children of the assassins, for he obeyed the command of the LORD as written by Moses in the Book of the Law: “Parents must not be put to death for the sins of their children, nor children for the sins of their parents. Those deserving to die must be put to death for their own crimes.”

American Standard Version
but the children of the murderers he put not to death; according to that which is written in the book of the law of Moses, as Jehovah commanded, saying, The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall die for his own sin.

Berean Study Bible
Yet he did not put the sons of the murderers to death, but acted according to what is written in the Book of the Law of Moses, where the LORD commanded: “Fathers must not be put to death for their children, and children must not be put to death for their fathers; each is to die for his own sin.”

Douay-Rheims Bible
But the children of the murderers he did not put to death, according to that which is written in the book of the law of Moses, wherein the Lord commanded, saying: The fathers shall not be put to death for the children, neither shall the children be put to death for the fathers: but every man shall die for his own sins.

English Revised Version
but the children of the murderers he put not to death: according to that which is written in the book of the law of Moses, as the LORD commanded, saying, The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall die for his own sin.

King James Bible
But the children of the murderers he slew not: according unto that which is written in the book of the law of Moses, wherein the LORD commanded, saying, The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall be put to death for his own sin.

World English Bible
but the children of the murderers he didn't put to death; according to that which is written in the book of the law of Moses, as Yahweh commanded, saying, "The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall die for his own sin."

Young's Literal Translation
and the sons of those smiting him he hath not put to death, as it is written in the book of the law of Moses that Jehovah commanded, saying, 'Fathers are not put to death for sons, and sons are not put to death for fathers, but each for his own sin is put to death.'

2 Kings 14:6 Additional Translations ...