Romans 8:29

For he decreed of old that those whom he predestined should share the likeness of his Son ??that he might be the firstborn of a great brotherhood.

Hebrews 12:23

to the assembly of the first-born registered in heaven, to the God of all as judge, to the spirits of just men made perfect,

Treasury of Scripture Knowledge

Summary

Now the sons of Caleb the brother of Jerahmeel were, Mesha his firstborn, which was the father of Ziph; and the sons of Mareshah the father of Hebron.

His first-born

Bible References

His first-born

Romans 8:29
For he decreed of old that those whom he predestined should share the likeness of his Son ??that he might be the firstborn of a great brotherhood.
Hebrews 12:23
to the assembly of the first-born registered in heaven, to the God of all as judge, to the spirits of just men made perfect,