Exodus 13:15

For it happened, when Pharaoh stubbornly refused to let us go, that the Lord struck every firstborn in the land of Egypt, both the firstborn of man and the firstborn of animal. Therefore, I sacrifice to the Lord all the males, the first [to be born] of every womb, but every firstborn of my sons I redeem.’

Exodus 12:29

Now it happened at midnight that the Lord struck every firstborn in the land of Egypt, from the firstborn of Pharaoh who sat on his throne to the firstborn of the prisoner who was in the dungeon, and all the firstborn of the cattle.

Treasury of Scripture Knowledge

Summary

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

The lord slew

Therefore i

General references

Bible References

The lord slew

Exodus 12:29
Now it happened at midnight that the Lord struck every firstborn in the land of Egypt, from the firstborn of Pharaoh who sat on his throne to the firstborn of the prisoner who was in the dungeon, and all the firstborn of the cattle.

Therefore i

Exodus 13:12
you shall set apart and dedicate to the Lord all that first opens the womb. All the firstborn males of your livestock shall be the Lord’s.

General references

Psalm 78:3

Which we have heard and known,
And our fathers have told us.