Psalm 105:36
He smote also all the first-born in their land, The chief of all their strength.
Genesis 49:3
Reuben, thou art my first-born, my might, and the beginning of my strength; The pre-eminence of dignity, and the pre-eminence of power.
Psalm 78:51
And smote all the first-born in Egypt, The chief of their strength in the tents of Ham.
Psalm 135:8
Who smote the first-born of Egypt, Both of man and beast;
Psalm 136:10
To him that smote Egypt in their first-born; For his lovingkindness endureth for ever;
Exodus 4:23
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 first-born.
Exodus 11:4-5
And Moses said, Thus saith Jehovah, About midnight will I go out into the midst of Egypt:
Exodus 12:12
For I will go through the land of Egypt in that night, and will smite all the first-born in the land of Egypt, both man and beast; and against all the gods of Egypt I will execute judgments: I am Jehovah.
Exodus 12:29-30
And it came to pass at midnight, that Jehovah smote all the first-born in the land of Egypt, from the first-born of Pharaoh that sat on his throne unto the first-born of the captive that was in the dungeon; and all the first-born of cattle.
Hebrews 11:28
By faith he kept the passover, and the sprinkling of the blood, that the destroyer of the firstborn should not touch them.