Numbers 3:46

Word of Yahweh

And for those that are to be redeemed of the two hundred and threescore and thirteen of the firstborn of the children of Israel, which are more than the Levites;

Cross References

Exodus 13:13

And every firstling of an ass thou shalt redeem with a lamb; and if thou wilt not redeem it, then thou shalt break his neck: and all the firstborn of man among thy children shalt thou redeem.

Exodus 13:15

And it came to pass, when Pharaoh would hardly let us go, that Yahweh slew all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of beast: therefore I sacrifice to Yahweh all males that first open the womb; but all the firstborn of my children I redeem.