Bible Dictionary
Jonadab
Jonadab was the son of Rechab and founder of the Rechabites; another Jonadab, son of Shimeah, was David’s nephew and a subtle adviser to Amnon.
Biblical Usage
The son of Rechab appears in the accounts concerning the Rechabite way of life. The son of Shimeah advised Amnon in the matter of Tamar.
Scripture References