|Int. Standard Bible Encyclopedia|
jam'-lek (yamlekh, "may he (God) cause to reign"): A "prince" or chief of the tribe of Simeon (1 Chronicles 4:34). If 4:41 refers to the preceding list, he lived in the time of Hezekiah.
Jamlech (1 Occurrence)
1 Chronicles 4:34 Meshobab, and Jamlech, and Joshah the son of Amaziah, (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)