From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

Jezani'ah. (Whom Jehovah Hears). The son of Hoshaiah, the Maachathite, and one of the captains of the forces, who had escaped from Jerusalem, during the final attack of the beleaguering army of the Chaldeans. (B.C. 588). When the Babylonians had departed, Jezaniah, with the men under his command, was one of the first who returned to Gedaliah at Mizpah. In the events which followed the assassination of that officer, Jezaniah took a prominent part.  2 Kings 25:23;  Jeremiah 40:8;  Jeremiah 42:1;  Jeremiah 43:2.

Fausset's Bible Dictionary [2]

 Jeremiah 40:8;  Jeremiah 42:1; apparently identical with Azariah, son of Hoshaiah ( Jeremiah 43:2). Associated with Johanan in the flight to Egypt, in spite of God's warning by Jeremiah. JAAZANIAH in  2 Kings 25:23. (See Jaazaniah .)

Hastings' Dictionary of the Bible [3]

JEZANIAH . A Judahite military officer who joined Gedaliah at Mizpah (  Jeremiah 40:8 ). He is called in   2 Kings 25:23 Jaazaniah, and is apparently to be identified also with Azariah of   Jeremiah 43:2 .

Holman Bible Dictionary [4]

 Jeremiah 40:8 Jeremiah 42-43 Jeremiah 43:2  Jeremiah 4:1Azariah

Morrish Bible Dictionary [5]


International Standard Bible Encyclopedia [6]

jez - a - nı̄´a ( יזניהוּ , yezanyāhū , probably "Yahweh hears"; compare Jaazaniah ): In  Jeremiah 40:8 , and also  Jeremiah 42:1 where Septuagint has "Azariah," as in   Jeremiah 43:2 (see Driver, Jer) = Jaazaniah , (1) (which see).