 A Babylonian chronicle describes his western war in 557/556 BC.He is traditionally listed as a king of the "Chaldean Dynasty"; however, it is not known if he was a Chaldean or a native of Babylon, as he was not related by blood to Nabopolassar and his successors.His name is mentioned as one of the high-ranking officers of king Nebuchadnezzar II in the Book of Jeremiah .