Deuteronomy 21:16-18

21st Century 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, who is indeed the firstborn.

¹⁷ But he shall acknowledge the son of the hated as the firstborn by giving him a double portion of all that he hath, for he is the beginning of his strength; the right of the firstborn is his.

¹⁸ “If a man have a stubborn and rebellious son who will not obey the voice of his father or the voice of his mother, and who, when they have chastened him, will not hearken unto them,