but he shall acknowledge the firstborn, the son of the hated, by giving him a double portion of all that he hath: for he is the beginning of his strength; the right of the firstborn is his.
then it shall be, in the day that he causeth his sons to inherit that which he hath, that he may not make the son of the beloved the firstborn before the son of the hated, which is the firstborn:
And it came to pass, when they were gone over, that Elijah said unto Elisha, Ask what I shall do for thee, before I be taken from thee. And Elisha said, I pray thee, let a double portion of thy spirit be upon me.
And their father gave them great gifts, of silver, and of gold, and of precious things, with fenced cities in Judah: but the kingdom gave he to Jehoram, because he was the firstborn.