Now on the day he lets his sons inherit what he has, he must not treat the loved one’s son as firstborn, in place of the unloved one’s son, who is the firstborn.
Finally, brothers and sisters, whatever is true, whatever is honorable, whatever is just, whatever is pure, whatever is lovely, whatever is commendable—if there is any virtue and if there is anything worthy of praise—dwell on these things.
For those whom He foreknew He also predestined to be conformed to the image of His Son, so that He might be the firstborn among many brothers and sisters.
Their father had given them great gifts of silver, gold and precious things, along with fortified cities in Judah, but he gave the kingdom to Jehoram because he was the firstborn.
“Suppose a man has two wives—the one loved and the other unloved—and both the loved and the unloved bear him sons. But it happens that the firstborn son belongs to the unloved wife.
Rather, he must acknowledge the firstborn, the son of the hated one, by giving him a double portion of all that he has. For he is the first of his vigor—the right of the firstborn is his.