Exodus 12:29 ¶And it came to pass, that at midnight the LORD smote all the firstborn in the land of Egypt, from the firstborn of Pharaoh that sat on his throne unto the firstborn of the captive that was in the dungeon; and all the firstborn of cattle.

Psalms 135:8 Who smote the firstborn of Egypt, both of man and beast.

Psalms 78:50 He made a way to his anger; he spared not their soul from death, but gave their life over to the pestilence;

Psalms 105:36 He smote also all the firstborn in their land, the chief of all their strength.