HAMUL (hā'mŭl, pitied, spared). A grandson of Judah and son of Perez (Gen.46.12), head of the family of Hamulites.

HAMUL hā’ məl (חָמֽוּל, spared). A son of Perez and grandson of Judah (Gen 46:12; Num 26:21; 1 Chron 2:5); ancestral head of the Hamulites (Num 26:21).

International Standard Bible Encyclopedia (1915)

A son of Perez, and head of one of the clans of Judah (Ge 46:12; 1Ch 2:5; Nu 26:21). His descendants were called Hamulites.