He smote also all the firstborn in their land, The chief of all their strength.
Reuben, thou art my firstborn, my might, and the beginning of my strength; The excellency of dignity, and the excellency of power.
Who smote the firstborn of Egypt, Both of man and beast.
To him that smote Egypt in their firstborn: For his mercy endureth for ever:
And smote all the firstborn in Egypt, The chief of their strength in the tents of Ham:
For I will go through the land of Egypt in that night, and will smite all the firstborn in the land of Egypt, both man and beast; and against all the gods of Egypt I will execute judgements: I am the LORD.
and I have said unto thee, Let my son go, that he may serve me; and thou hast refused to let him go: behold, I will slay thy son, thy firstborn.
By faith he kept the passover, and the sprinkling of the blood, that the destroyer of the firstborn should not touch them.