The name Jerahmeel (Hebrew יְרַחְמְאֵל, Yəraḥməʾēl; Greek ιραμεηλ) appears several times in the Tanakh.
[1][2][3] In order of their lifetimes they are: The Jerahmeelites were a people, presumably descended from Jerahmeel number 1 above, living in the Negev, who David, while in service with the Philistines, claimed to have attacked (1 Samuel 27:10), but with whom he was really on friendly terms[4] (1 Samuel 30:29).
Cheyne developed a theory that made the Jerahmeelites into a significant part of the history of Israel,[2] but most subsequent scholars have dismissed his ideas as fanciful.
[8] In some deuterocanonical and apocryphal writings, there are references to an archangel variously called Jeremiel, Eremiel, Remiel, etc.
The Chronicles of Jerahmeel is a medieval document ascribed to the 12th century Jewish historian Jerahmeel ben Solomon, and is unrelated to any of the above.