Deuteronomy 21:16
then it shall be, in the day that he causes his sons to inherit that which he has, that he may not make the son of the beloved the firstborn before the son of the hated, who is the firstborn:
1 Chronicles 26:10
Also Hosah, of the children of Merari, had sons: Shimri the chief, (for though he was not the firstborn, yet his father made him chief),
1 Chronicles 5:2
For Judah prevailed above his brothers, and of him came the prince; but the birthright was Joseph's:)
2 Chronicles 11:19-22
and she bore him sons: Jeush, and Shemariah, and Zaham.
2 Chronicles 21:3
Their father gave them great gifts, of silver, and of gold, and of precious things, with fortified cities in Judah: but the kingdom gave he to Jehoram, because he was the firstborn.
Romans 8:29
For whom he foreknew, he also predestined to be conformed to the image of his Son, that he might be the firstborn among many brothers.
Philippians 4:8
Finally, brothers, whatever things are true, whatever things are honorable, whatever things are just, whatever things are pure, whatever things are lovely, whatever things are of good report; if there is any virtue, and if there is any praise, think about these things.
Hebrews 12:16-17
lest there be any sexually immoral person, or profane person, like Esau, who sold his birthright for one meal.