OT-PROPHET.filter - nkjv firstborn:

nkjv@Isaiah:14:30 @ The firstborn of the poor will feed, And the needy will lie down in safety; I will kill your roots with famine, And it will slay your remnant.

nkjv@Jeremiah:31:9 @ They shall come with weeping, And with supplications I will lead them. I will cause them to walk by the rivers of waters, In a straight way in which they shall not stumble; For I am a Father to Israel, And Ephraim is My firstborn.

nkjv@Ezekiel:20:26 @ and I pronounced them unclean because of their ritual gifts, in that they caused all their firstborn to pass through the fire, that I might make them desolate and that they might know that I am the LORD."'