Jonadab

also called Jonathan · David's nephew, in the time of the United Monarchy · Tribe of Judah · named in 7 verses

Jonadab, also known as Jonathan, was the son of David's brother Shimeah and a friend and advisor to Amnon, David's eldest son.

From Easton's Bible Dictionary

=Jehon'adab. (1.) The son of Rechab, and founder of the Rechabites (q.v.), 2 Kings 10:15; Jer. 35:6, 10.

Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.

Parents Shimeah

From STEPBible's TIPNR genealogy data. A relationship the data marks uncertain is not shown here.

First named at 2 Samuel 13:3.

2 Samuel 13:3 Now Amnon had a friend named Jonadab, the son of David’s brother Shimeah. Jonadab was a very shrewd man,
2 Samuel 13:5 Jonadab told him, “Lie down on your bed and pretend you are ill. When your father comes to see you, say to him, ‘Please let my sister Tamar come and give me something to eat. Let her prepare it in my sight so I may watch her and eat it from her hand.’”
2 Samuel 13:32 But Jonadab, the son of David’s brother Shimeah, spoke up: “My lord must not think they have killed all the sons of the king, for only Amnon is dead. In fact, Absalom has planned this since the day Amnon violated his sister Tamar.
2 Samuel 13:35 So Jonadab said to the king, “Look, the sons of the king have arrived! It is just as your servant said.”
2 Samuel 21:21 and when he taunted Israel, Jonathan the son of David’s brother Shimei killed him.
1 Chronicles 20:7 and when he taunted Israel, Jonathan the son of David’s brother Shimei killed him.
1 Chronicles 27:32 David’s uncle Jonathan was a counselor; he was a man of insight and a scribe. Jehiel son of Hachmoni attended to the sons of the king.