Boyd’s Bible Dictionary:
(their king). (1) A Benjamite (1 Chron. 8:9). (2) The idol Molech (Zeph. 1:5).
Concise Bible Dictionary:
1. Son of Shaharaim, a Benjamite (1 Chron. 8:9).
2. An idol worshipped by some Jews who also professed to worship Jehovah (Zeph. 1:5). Some judge it to have been the same as Molech.
Jackson’s Dictionary of Scripture Proper Names:
their king