'First born' in the Bible

Or again, "I will become His Father, and He shall become my Son"? But when He brings again His first-born Son into the world, He says, "And let all the angels worship Him."

By faith he instituted the Passover and the pouring of blood upon the doorposts, so that the destroyer of the first-born might not touch them.

to the festal gathering and assembly of God's firstborn sons enrolled as citizens in heaven, to a Judge who is the God of all, to the spirits of upright men who have attained perfection,