Hebrews 1:6; Hebrews 11:28; Hebrews 12:23

Hebrews 1:6

6 And when He again brings the firstborn into the world, He says, "AND LET ALL THE ANGELS OF GOD WORSHIP

Hebrews 11:28

28 By faith he kept the Passover and the sprinkling of the blood, so that he who destroyed the firstborn would not touch them.

Hebrews 12:23

23 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 the righteous made perfect,