From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

A'zur. Properly Az'Zur. (He That Assists).

1. A Benjamite of Gibeon, and father of Hananiah, the false prophet.  Jeremiah 28:1.

2. Father of Jaazaniah, one of the princes of the people against whom Ezekiel was commanded to prophesy.  Ezekiel 11:1.

Fausset's Bible Dictionary [2]

AZUR or Azzur

1.  Jeremiah 28:1.

2.  Ezekiel 11:1.

3.  Nehemiah 10:17.

Morrish Bible Dictionary [3]

1. Father of Jaazaniah, prince of the people, against whom Ezekiel prophesied.  Ezekiel 11:1 .

2. Prophet whose son Hananiah withstood Jeremiah.  Jeremiah 28:1 .

Holman Bible Dictionary [4]

 Jeremiah 28:1 Ezekiel 11:1Azzur

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [5]

a less correct mode of Anglicizing ( Jeremiah 28:1;  Ezekiel 11:1) the name AZZUR (See Azzur) (q.v.).