Deuteronomy 21:16
then on the day when he 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,
1 Chronicles 26:10
And Hosah, of the sons of Merari, had sons: Shimri the chief (for though he was not the firstborn, his father made him chief),
1 Chronicles 5:2
though Judah became strong among his brothers and a chief came from him, yet the birthright belonged to Joseph),
2 Chronicles 11:19-22
and she bore him sons, Jeush, Shemariah, and Zaham.
2 Chronicles 21:3
Their father gave them great gifts of silver, gold, and valuable possessions, together with fortified cities in Judah, but he gave the kingdom to Jehoram, because he was the firstborn.
Romans 8:29
For those whom he foreknew he also predestined to be conformed to the image of his Son, in order that he might be the firstborn among many brothers.
Philippians 4:8
Finally, brothers, whatever is true, whatever is honorable, whatever is just, whatever is pure, whatever is lovely, whatever is commendable, if there is any excellence, if there is anything worthy of praise, think about these things.
Hebrews 12:16-17
that no one is sexually immoral or unholy like Esau, who sold his birthright for a single meal.