Boyd’s Bible Dictionary:
(rocky). (1) (1 Kings 10:22; 22:48). [TARSHISH.] (2) A Benjamite (1 Chron. 7:10).
Concise Bible Dictionary:
Son of Bilhan, a descendant of Benjamin (1 Chron. 7:10). See TARSHISH.
Jackson’s Dictionary of Scripture Proper Names:
she will cause poverty (or shattering)