Boyd’s Bible Dictionary:
(pit). (1) A son of Abraham (Gen. 25:2; 1 Chron. 1:32). (2) Brother of Chelub (1 Chron. 4:11). (3) (Gen. 38:2,12). [SHUA.]
Concise Bible Dictionary:
1. Son of Abraham and Keturah (Gen. 25:2; 1 Chron. 1:32).
2. Descendant of Judah (1 Chron. 4:11).
Jackson’s Dictionary of Scripture Proper Names:
depression : a pit (1 Chron. 4:11)