Deuteronomy 21:16
[nevertheless] {it will be the case that} on the day of bestowing his inheritance upon his sons, he will not be allowed to treat as [the] firstborn son the son of the beloved [wife] {in preference to} the son of the disliked [wife], [who is] the firstborn [son].
1 Chronicles 26:10
And Hosah, from the sons of Merari, had sons: Shimri the chief (though he was not firstborn, his father appointed him as chief),
1 Chronicles 5:2
though Judah became strong among his brothers and a chief [came] from him, but the birthright belonged to Joseph).
2 Chronicles 11:19-22
And she bore to him sons: Jeush, Shemariah, and Zaham.
2 Chronicles 21:3
And their father gave to them many gifts of silver, gold, and valuables, with fortified cities in Judah, but he gave the kingdom to Jehoram, for he [was] the firstborn.
Romans 8:29
because [those] whom he foreknew, he also predestined [to be] conformed to the image of his Son, so that he should be the firstborn among many brothers.
Philippians 4:8
Finally, brothers, whatever [things] are true, whatever [things are] honorable, whatever [things are] right, whatever [things are] pure, whatever [things are] pleasing, whatever [things are] commendable, if [there is] any excellence of character and if anything praiseworthy, think about these [things].
Hebrews 12:16-17
[that] no one [be] a sexually immoral or totally worldly [person] like Esau, who for one meal traded his own birthright.