Ahitub in Nehemiah

-1. High priest, father of Ahiah 1SA 14:3; 22:9,11,12,20 -2. Father of Zadok 2SA 8:17; 1CH 18:16 -3. Ruler of the house of God 1CH 9:11; NEH 11:11 -4. The Ahitub mentioned in 1CH 6:8,11,12 -Is probably identical with the last described above, or else he is confused with Azariah 2CH 31:10