OT-PROPHET.filter - kjv firstborn:

kjv@Isaiah:14:30 @ And the firstborn of the poor shall feed, and the needy shall lie down in safety: and I will kill thy root with famine, and he shall slay thy remnant.

kjv@Jeremiah:31:9 @ They shall come with weeping, and with supplications will I lead them: I will cause them to walk by the rivers of waters in a straight way, wherein they shall not stumble: for I am a father to Israel, and Ephraim is my firstborn.