Psalm 135:8
He who struck the first-born of Egypt, both of man and animal;
Psalm 78:51
and struck all the first-born in Egypt, the first of the strong in the tents of Ham;
Exodus 12:12
For I will pass through the land of Egypt this night, and will smite all the first-born in the land of Egypt, both man and beast. And I will execute judgments against all the gods of Egypt. I am Jehovah.
Psalm 105:36
He also struck all the first-born in their land, the chief of all their strength.
Exodus 12:29-30
And it happened at midnight Jehovah struck all the first-born in the land of Egypt, from the first-born of Pharaoh that sat on his throne to the first-born of the captive that was in the prison; also all the first-born of cattle.
Exodus 13:15
And it happened when Pharaoh hardened himself against sending us, Jehovah killed all the first-born of the land of Egypt, both the first-born of man, and the first-born of animals. Therefore I sacrifice to Jehovah all that opens the womb, that are males. But all the first-born of my sons I redeem.
Psalm 136:10
To Him who struck Egypt in their first-born; for His mercy endures forever;