Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Joelah
Usage: A man living at the time of Divided Monarchy, only mentioned at 1Ch.12.7; son of: Jeroham (H3395K); brother of: Zebadiah (H2069I) § Joelah = "may he avail" son of Jeroham of Gedor and one of David's mighty warriors