The descendants of Caleb (Jerahmeel’s brother) were his firstborn son Mesha, who first settled Ziph, and the sons of Mareshah, who first settled Hebron.
This is true because he already knew his people and had already appointed them to have the same form as the image of his Son. Therefore, his Son is the firstborn among many children.
and to the assembly of God’s firstborn children (whose names are written in heaven). You have come to a judge (the God of all people) and to the spirits of people who have God’s approval and have gained eternal life.
Then the men of Ziph went to Saul in Gibeah. They said, “David is hiding with us in fortified camps at Horesh on the hills of Hachilah, south of Jeshimon.