Exodus 13:12-15 that you shall set apart to Yahweh all that opens the womb, and every firstborn which you have that comes from an animal. The males shall be Yahweh's.

WEB_Strongs⁽ⁱ⁾

12 H5674 that you shall set apart H3068 to Yahweh H6363 all that opens H7358 the womb, H6363 and every firstborn H7698 which you have that comes H929 from an animal. H2145 The males H3068 shall be Yahweh's.

13 H6363 Every firstborn H2543 of a donkey H6299 you shall redeem H7716 with a lamb; H6299 and if you will not redeem H6202 it, then you shall break its neck; H6299 and you shall redeem H1060 all the firstborn H120 of man H1121 among your sons.

14 H1121 It shall be, when your son H7592 asks H4279 you in time to come, H559 saying, H559 ‘What is this?' that you shall tell H2392 him, ‘By strength H3027 of hand H3068 Yahweh H3318 brought us out H4714 from Egypt, H1004 from the house H5650 of bondage;

15 H6547 and it happened, when Pharaoh H7185 would hardly H7971 let us go, H3068 that Yahweh H2026 killed H1060 all the firstborn H776 in the land H4714 of Egypt, H1060 both the firstborn H120 of man, H1060 and the firstborn H929 of animal. H2076 Therefore I sacrifice H3068 to Yahweh H6363 all that opens H7358 the womb, H2145 being males; H1060 but all the firstborn H1121 of my sons H6299 I redeem.'