Genesis 36:13

36:13 These were the sons of Reuel: Nahath, Zerah, Shammah, and Mizzah. These were the sons ¹  of Esau’s wife Basemath.

Genesis 46:12

46:12 The sons of Judah:

Er, Onan, Shelah, Perez, and Zerah

(but Er and Onan died in the land of Canaan).

The sons of Perez were Hezron and Hamul.

[36:13]  ¹ tn Or “grandsons” (NIV); “descendants” (NEB).