1 Chronicles 4:2

and Rada his son; and Subal begot Jeth; and Jeth begot Achimai, and Laad: these [are] the generations of the Arathites.

And Reaiah the son of Shobal begat Jahath; and Jahath begat Ahumai, and Lahad. These are the families of the Zorathites.

Reaiah the son of Shobal became the father of Jahath; and Jahath became the father of Ahumai and Lahad. These are the families of the Zorathites.