Verse Comparison: Deuteronomy 21:16
American Standard Version
then it shall be, in the day that he causeth his sons to inherit that which he hath, that he may not make the son of the beloved the first-born before the son of the hated, who is the first-born:
Amplified® Bible
Then on the day when he wills his possessions to his sons, he shall not put the firstborn of his loved wife in place of the [actual] firstborn of the disliked wife--her firstborn being older.
Darby English Version
then it shall be, in the day that he maketh his sons to inherit what he hath, that he may not make the son of the beloved firstborn before the son of the hated, who is the firstborn;
King James Version
Then it shall be, when he maketh his sons to inherit that which he hath, that he may not make the son of the beloved firstborn before the son of the hated, which is indeed the firstborn:
Revised Standard Version
then on the day when he assigns his possessions as an inheritance to his sons, he may not treat the son of the loved as the first-born in preference to the son of the disliked, who is the first-born,
Young's Literal Translation
then it hath been, in the day of his causing his sons to inherit that which he hath, he is not able to declare first-born the son of the loved one, in the face of the son of the hated one -- the first-born.