Psalm 105:36
He struck down all the firstborn in their land, the firstfruits of their reproductive power.
Genesis 49:3
Reuben, you are my firstborn, my might and the beginning of my strength, outstanding in dignity, outstanding in power.
Psalm 78:51
He struck down all the firstborn in Egypt, the firstfruits of their reproductive power in the tents of Ham.
Psalm 135:8
He struck down the firstborn of Egypt, including both men and animals.
Psalm 136:10
to the one who struck down the firstborn of Egypt, for his loyal love endures,
Exodus 4:23
and I said to you, 'Let my son go that he may serve me,' but since you have refused to let him go, I will surely kill your son, your firstborn!"'"
Exodus 11:4-5
Moses said, "Thus says the Lord: 'About midnight I will go throughout Egypt,
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.
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.
Hebrews 11:28
By faith he kept the Passover and the sprinkling of the blood, so that the one who destroyed the firstborn would not touch them.