Deuteronomy 21:16-18

Young's Literal Translation

¹⁶ 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.

¹⁷ But the first-born, son of the hated one, he doth acknowledge, to give to him a double portion of all that is found with him, for he [is] the beginning of his strength; to him [is] the right of the first-born.

¹⁸ `When a man hath a son apostatizing and rebellious -- he is not hearkening to the voice of his father, and to the voice of his mother, and they have chastised him, and he doth not hearken unto them --