Zadok = "righteous"

 1) the high priest, son of Ahitub of the house of Eleazar the son of
    Aaron, and 11th in descent from Aaron; joined David after Saul's
    death and supported him against Absalom and Adonijah; anointed
    Solomon as king
 2) a priest, son of Meraioth, father of Meshullam of the house of
    Ahitub; apparently a nephew of 1
 3) father of Jerusha, the wife of king Uzziah and mother of king
    Jotham of Judah
 4) son of Baana and repairer of the wall of Jerusalem in the time of
    Nehemiah
 5) son of Immer and repairer of the wall of Jerusalem in the time of
    Nehemiah
 6) a leader of the people in the time of Nehemiah
 7) a scribe appointed by Nehemiah as one of the treasurers over the
    storehouse
 8) a valiant warrior of the tribe of Benjamin who joined David at
    Hebron. Same as 1?