Adoni-kam or Adon-ikam
The sons of Adonikam, 666 in number, were among those who returned from Babylon with Zerubbabel. Ezr 2:13; Ne 7:18; 1Esd 5:14 (B.C. 506-410.) The name is given as ADONIJAH in
Ne 10:16
Bibliography Information Smith, William, Dr "Definition for 'Adoni-kam or Adon-ikam' Smiths Bible Dictionary". bible-history.com - Smiths; 1901.