Hezron

and the sons of Re'uven - Hanokh, Pallu, Hetzron and Karmi.

These were the heads of their families: the sons of Re'uven the firstborn of Isra'el were Hanokh, Pallu, Hetzron and Karmi. These were the families of Re'uven.

of Hetzron, the family of the Hetzroni; and of Karmi the family of the Karmi.

After Hetzron died in Kalev-Efratah, Aviyah Hetzron's wife bore him Ash'chur the father of T'koa.

So these are the sons of Re'uven the firstborn of Isra'el: Hanokh, Pallu, Hetzron and Karmi.