'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 room for them in the inn.

For whom he foreknew, he also foreordained to be conformed to the image of his Son, that he might be the firstborn among many brethren:

who is the image of the invisible God, the firstborn of all creation;

And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all things he might have the preeminence.

And when he again bringeth in the firstborn into the world he saith, And let all the angels of God worship him.

By faith he kept the passover, and the sprinkling of the blood, that the destroyer of the firstborn should not touch them.

to the general assembly and church of the firstborn who are enrolled in heaven, and to God the Judge of all, and to the spirits of just men made perfect,

and from Jesus Christ, who is the faithful witness, the firstborn of the dead, and the ruler of the kings of the earth. Unto him that loveth us, and loosed us from our sins by his blood;