Easton's Bible Dictionary: M. G. Easton, M.A., D.D.

Jehonadab

Jehovah is liberal; or, whom Jehovah impels.

1. A son of Shimeah, and nephew of David. It was he who gave the fatal wicked advice to Amnon, the heir to the throne (2 Sam. 13:3-6). He was very "subtil," but unprincipled.
2. A son of Rechab, the founder of a tribe who bound themselves by a vow to abstain from wine (Jer. 35:6-19). There were different settlements of Rechabites (Judg. 1:16, 4:11; 1 Chr. 2:55).
   • (See Rechabite)
   His interview and alliance with Jehu are mentioned in 2 Ki. 10:15-23. He went with Jehu in his chariot to Samaria.