Ex 13:2 "Sanctify6942 to Me every3605 firstborn1060, the first6363a offspring6363a of every3605 womb7358 among the sons1121 of Israel3478, both of man120 and beast929; it belongs to Me."
Ex 13:12 you shall devote5674a to the LORD3068 the first6363a offspring6363a of every3605 womb7358, and the first6363a offspring6363a of every3605 beast929 that you own1961; the males2145 belong to the LORD3068.
Ex 13:13 "But every3605 first6363a offspring6363a of a donkey2543 you shall redeem6299 with a lamb7716, but if518 you do not redeem6299it, then you shall break6202 its neck6202; and every3605 firstborn1060 of man120 among your sons1121 you shall redeem6299.
Ex 13:15 'It came1961 about, when3588 Pharaoh6547 was stubborn7185 about letting7971 us go7971, that the LORD3068 killed2026 every3605 firstborn1060 in the land776 of Egypt4714, both4480 the firstborn1060 of man120 and the firstborn1060 of beast929. Therefore5921,3651, I sacrifice2076 to the LORD3068 the males2145, the first6363a offspring6363a of every3605 womb7358, but every3605 firstborn1060 of my sons1121 I redeem6299.'
Ex 34:19 ¶ "The first6363a offspring6363a from every3605 womb7358 belongs to Me, and all3605 your male2145 livestock4735, the first6363a offspring6363a from cattle7794 and sheep7716.
Ex 34:20 "You shall redeem6299 with a lamb7716 the first6363a offspring6363a from a donkey2543; and if518 you do not redeem6299it, then you shall break6202 its neck6202. You shall redeem6299 all3605 the firstborn1060 of your sons1121. None3808 shall appear7200 before6440 Me empty-handed7387.
Num 3:12 "Now, behold2009, I have taken3947 the Levites3881 from among8432 the sons1121 of Israel3478 instead8478 of every3605 firstborn1060, the first6363a issue6363a of the womb7358 among4480 the sons1121 of Israel3478. So the Levites3881 shall be Mine.
Num 18:15 "Every3605 first6363a issue6363a of the womb7358 of all3605 flesh1320, whether man120 or animal929, which834 they offer7126 to the LORD3068, shall be yours; nevertheless389 the firstborn1060 of man120 you shall surely6299 redeem6299, and the firstborn1060 of unclean2931 animals929 you shall redeem6299.