Psalm 135:8
He struck down the firstborn of Egypt, including both men and animals.
Psalm 78:51
He struck down all the firstborn in Egypt, the firstfruits of their reproductive power in the tents of Ham.
Exodus 12:12
I will pass through the land of Egypt in the same night, and I will attack all the firstborn in the land of Egypt, both of humans and of animals, and on all the gods of Egypt I will execute judgment. I am the Lord.
Psalm 105:36
He struck down all the firstborn in their land, the firstfruits of their reproductive power.
Exodus 12:29-30
It happened at midnight -- the Lord attacked all the firstborn in the land of Egypt, from the firstborn of Pharaoh who sat on his throne to the firstborn of the captive who was in the prison, and all the firstborn of the cattle.
Exodus 13:15
When Pharaoh stubbornly refused to release us, the Lord killed all the firstborn in the land of Egypt, from the firstborn of people to the firstborn of animals. That is why I am sacrificing to the Lord the first male offspring of every womb, but all my firstborn sons I redeem.'
Psalm 136:10
to the one who struck down the firstborn of Egypt, for his loyal love endures,