Psalm 105:36
He also struck all the first-born in their land, the chief of all their strength.
Genesis 49:3
Reuben, you are my first-born, my might, and the beginning of my strength, the excellency of dignity and the excellency of power.
Psalm 78:51
and struck all the first-born in Egypt, the first of the strong in the tents of Ham;
Psalm 135:8
He who struck the first-born of Egypt, both of man and animal;
Psalm 136:10
To Him who struck Egypt in their first-born; for His mercy endures forever;
Exodus 4:23
And I say to you, Let My son go, that he may serve Me. And if you refuse to let him go, behold, I am going to kill your son, your first-born.
Exodus 11:4-5
And Moses said, Thus says Jehovah: About midnight I will go out into the midst of Egypt.
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.
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.
Hebrews 11:28
Through faith he kept the Passover and the sprinkling of blood, lest He who destroyed the first-born should touch them.