4 occurrences in 4 dictionaries

Reference: Regem

Fausets

Hastings

The eponym of a Calebite family (1Ch 2:47).

Morish

Re'gem

Son of Jardai, a descendant of Judah. 1Ch 2:47.

Smith

Re'gem

(friend) a son of Jahdai.

1Ch 2:47