Deuteronomy 21:16

English Standard Version

16 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 firstborn in preference to the son of the unloved, who is the firstborn, (1Ch 5:1; 1Ch 26:10; 2Ch 11:19; 2Ch 11:22) 

New International Version

16 when he wills his property to his sons, he must not give the rights of the firstborn to the son of the wife he loves in preference to his actual firstborn, the son of the wife he does not love. 

New International Reader’s Version

16 Someday he’ll leave his property to his sons. When he does, he must not give the rights of the eldest son to the son of the wife he loves. He must give those rights to his eldest son. He must do it even though his eldest son is the son of the wife he doesn’t love. 

King James Version

16 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: 

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