He was a widow’s son of the tribe of Naphtali - In 2Ch 2:14 his mother is said to have been of the daughters of Dan. The apparent discrepancy may be reconciled thus: Hiram’s mother, though belonging to the tribe of Dan, had been married to a Naphtalite, so that when married afterwards to a Tyrian, she might be described as a widow of the tribe of Naphtali. Or, if she was a native of the city Dan (Laish), she might be said to be of the daughters of Dan, as born in that place; and of the tribe of Naphtali, as really belonging to it.
a worker in brass - This refers particularly to the works described in this chapter. But in 2Ch 2:13 his artistic skill is represented as extending to a great variety of departments. In fact, he was appointed, from his great natural talents and acquired skill, to superintend the execution of all the works of art in the temple.