Exodus 13:11-15
And it shall be when the LORD shall bring you into the land of the Canaanites, as he swore to you and to your fathers, and shall give it you,
Torrey's Topical Textbook—AKJV

Numbers 18:15
Every thing that opens the matrix in all flesh, which they bring to the LORD, whether it be of men or beasts, shall be yours: nevertheless the firstborn of man shall you surely redeem, and the firstling of unclean beasts shall you redeem.
Torrey's Topical Textbook—AKJV