Where it appears

• Lev 27:26“‘Only the firstborn among animals, which is made a firstborn to Yahweh, no man may dedicate it; whether an ox or sheep. It is Yahweh’s.
• Deut 21:16then it shall be, in the day that he causes his sons to inherit that which he has, that he may not give the son of the beloved the rights of the firstborn before the son of the hated, who is the firstborn;
• Jer 4:31For I have heard a voice as of a woman in travail, the anguish as of her who gives birth to her first child, the voice of the daughter of Zion, who gasps for breath, who spreads her hands, saying, “Woe is me now! For my soul faints before the murderers.”
• Ezek 47:12By the river on its bank, on this side and on that side, shall grow every tree for food, whose leaf shall not wither, neither shall its fruit fail: it shall produce new fruit every month, because its waters issue out of the sanctuary; and its fruit shall be for food, and its leaf for healing.