1 Chronicles 2:24-25

2:24 After Hezron’s death, Caleb had sexual relations with Ephrath, his father Hezron’s widow, and she bore to him Ashhur the father of Tekoa.

Jerahmeel’s Descendants

2:25 The sons of Jerahmeel, Hezron’s firstborn, were Ram, the firstborn, Bunah, Oren, Ozem, and Ahijah.