Azubah.

1 Chr 2:18 And Caleb the son of Hezron begat children of Azubah his wife, and of Jerioth: her sons are these; Jesher, and Shobab, and Ardon. 1 Chr 2:19 And when Azubah was dead, Caleb took unto him Ephrath, which bare him Hur. 1 Chr 2:20 And Hur begat Uri, and Uri begat Bezaleel.

No children listed.