Deu 21:15-17, 1Ch 5:1-2, 29:1 | ESV | STEP | If a man has two wives , the one loved and the other unloved , and both the loved and the unloved have borne him children , and if the firstborn son belongs to the unloved ,

Deuteronomy 21:15-17

Inheritance Rights of the Firstborn

15 “If a man has two wives, ^athe one loved and the other unloved, and both the loved and the unloved have borne him children, and if the firstborn son belongs to the unloved, ^{▼▼Or hated; also verses 16, 17} 16 then on the day when ^che 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, 17 but he shall acknowledge the firstborn, the son of the unloved, by giving him a double portion of all that he has, for he is ^dthe firstfruits of his strength. ^eThe right of the firstborn is his.

1 Chronicles 5:1-2

Descendants of Reuben

1 The sons of Reuben the firstborn of Israel ( ^ffor he was the firstborn, but because ^ghe defiled his father’s couch, ^hhis birthright was given to the sons of Joseph the son of Israel, so that he could not be enrolled as the oldest son; 2 ⁱthough Judah became strong among his brothers and a ^jchief came from him, yet the birthright belonged to Joseph),

1 Chronicles 29:1

Offerings for the Temple

1 And David the king said to all the assembly, “Solomon my son, whom alone God has chosen, is ^kyoung and inexperienced, and the work is great, for ^lthe palace will not be for man but for the Lord God.