|Easton's Bible Dictionary|
A Benjamite who joined David at Ziklag (1 Chronicles 12:7).
Int. Standard Bible Encyclopedia
jo-e'-la (yo`e'lah, perhaps = yo`elah, "may he avail!"): One of David's recruits at Ziklag (1 Chronicles 12:7 (Hebrew 8)); a Benjamite or perhaps a Judean (see Curtis, Chronicles, 195).
Joelah (1 Occurrence)
1 Chronicles 12:7 and Joelah, and Zebadiah, the sons of Jeroham of Gedor. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)