Psalm 78:51 And smote all the firstborn in Egypt; the chief of their strength in the tabernacles of Ham:
Psalm 105:36 He smote also all the firstborn in their land, the chief of all their strength.
Psalm 135:8 Who smote the firstborn of Egypt, both of man and beast.
Exodus 11:5,6 And all the firstborn in the land of Egypt shall die, from the first born of Pharaoh that sits on his throne...
Exodus 12:12,29 For I will pass through the land of Egypt this night, and will smite all the firstborn in the land of Egypt, both man and beast...
Hebrews 11:28 Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.