Numbers 26:20-21
26:20 And the Judahites by their families were: from Shelah, the family of the Shelahites; from Perez, the family of the Perezites; and from Zerah, the family of the Zerahites.
26:21 And the Perezites were: from Hezron, the family of the Hezronites; from Hamul, 1 the family of the Hamulites.
1 tc Smr and the Greek version have “Hamuel.”