Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Jaddua
Usage: A man living at the time of Exile and Return, only mentioned at Neh.10.21 § Jaddua = "knowing" 1) one of the chiefs of the people who sealed the covenant with Nehemiah 2) son and successor in the high priesthood of Jonathan, Jeshua, or Johanan; the last of the high priests mentioned in the OT, probably living in the time of Alexander the Great