'First born' in the Bible

And she brought forth her firstborn son, and she wrapped Him in swaddling clothes and laid Him in a manger, because there was no place for them in the inn.

Because whom he did foreknow, he did also predestinate to be conformed to the image of his Son, in order that he might be the firstborn among many brethren:

By faith he instituted the passover, and the sprinkling of blood, in order that the one destroying the first-born might not touch them.

to the whole company, and to the church of the first-born, who have been written in the heavens, and to God the Judge of all, and to the spirits of justified people who have been made perfect,