Jahdai’s sons were Regem, Jotham, Geshan, Pelet, Ephah, and Shaaph.
Ephah, Caleb’s concubine, was the mother of Haran, Moza, and Gazez. Haran was the father of Gazez.
Maacah, Caleb’s concubine, was the mother of Sheber and Tirhanah.