1 Chronicles 2:17-18

And Abigail bare Amasa: and the father of Amasa {was} Jether the Ishmeelite. {Jether...: also called, Ithra an Israelite} And Caleb the son of Hezron begat {children} of Azubah {his} wife, and of Jerioth: her sons {are} these; Jesher, and Shobab, and Ardon.