Exodus 13:1-3

Common English Bible

13 The Lord said to Moses: ² Dedicate to me all your oldest children. Each first offspring from any Israelite womb belongs to me, whether human or animal.

Unleavened bread

³ Moses said to the people, “Remember this day which is the day that you came out of Egypt, out of the place you were slaves, because the Lord acted with power to bring you out of there. No leavened bread may be eaten.