The clan of Hezron was evidently important among the descendants of Judah, for vs. 9-55 of this chapter are devoted to Hezron’s descendants.
Jerahmeel.
Although Jerahmeel is mentioned frequently in this genealogy (vs. 9, 25-27, 33, 42), his name does not appear elsewhere in the OT except as his descendants, the Jerahmeelites, are referred to in 1 Sam 27:10; 1 Sam. 30:29, as living in southern Judah.