but he shall acknowledge the firstborn, the son of the hated, by giving him a double portion of all that he has; for he is the beginning of his strength; the right of the firstborn is his.
It happened, when they had gone over, that Eliyahu said to Elisha, Ask what I shall do for you, before I am taken from you. Elisha said, please let a double portion of your spirit be on me.
Their father gave them great gifts, of silver, and of gold, and of precious things, with fortified cities in Yehudah: but the kingdom gave he to Yehoram, because he was the firstborn.
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: