Exodus 4:23

And I said to you, Let my son go, so that he may give me worship; and you did not let him go: so now I will put the first of your sons to death.

Exodus 11:5

And death will come to every mother's first male child in all the land of Egypt, from the child of Pharaoh on his seat of power, to the child of the servant-girl crushing the grain; and the first births of all the cattle.

Exodus 12:29

And in the middle of the night the Lord sent death on every first male child in the land of Egypt, from the child of Pharaoh on his seat of power to the child of the prisoner in the prison; and the first births of all the cattle.

Psalm 105:36

He put to death the first child of every family in the land, the first-fruits of their strength.

Psalm 135:8

He put to death the first-fruits of Egypt, of man and of beast.

Exodus 5:1

And after that, Moses and Aaron came to Pharaoh, and said, The Lord, the God of Israel, says, Let my people go so that they may keep a feast to me in the waste land.

Exodus 7:16

And say to him, The Lord, the God of the Hebrews, has sent me to you, saying, Let my people go so that they may give me worship in the waste land; but up to now you have not given ear to his words.

Psalm 78:51

He gave to destruction all the first sons of Egypt; the first-fruits of their strength in the tents of Ham;

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain