H3122G
יוֹנָדָב
Jonadab
A man of the tribe of Judah living at the time of United Monarchy, first mentioned at 2Sa.13.3; son of: Shimeah (H8093); also called Jonathan at 2Sa.21.21; 1x27.32; § Jonadab or Jehonadab = "Jehovah is willing" 1) a son of Rechab, chief of the Rechabites, in the time of Jehu and Ahab 2) a nephew of David
Full Brown-Driver-Briggs lexicon entry
יְהוֺנָדָב, יוֺנָדָב proper name, masculine (׳י is noble, or is liberal, or hath impelled, compare נְדַבְיָה) —
1. ׳יְהוֺ son of Rechab & chief of the Rechabites (ᵐ5 Ἰωαναδαβ) 2Kgs 10:15 (twice in verse); 2Kgs 10:23; Jer 35:8; Jer 35:14; Jer 35:16; Jer 35:18 = ׳יוֺ Jer 35:6; Jer 35:10; Jer 35:19.
2. ׳יְהוֺ nephew of David (ᵐ5 Ἰωναδαβ, Ἰωναδαμ; ᵐ5L Ἰωαναθαν) 2Sam 13:5 = ׳יוֺ 2Sam 13:3 (twice in verse); 2Sam 13:32; 2Sam 13:35 (apparently called Jonathan 2Sam 21:21; 1Chr 20:7, compare יְהוֺנָתָן
3.)
2 occurrences