This Ahitub was the son of Amariah, Amarias or Arophaeus, who was the son of Meraioth, Meraoith or Merahoth, who was the son of Zerahiah or Zaraias, who was the son of Uzzi, who was the son of Bukki, who was the son of Abishua, who was the son of Phinehas, who was the son of Eleazar, who was the son of Aaron (1 Chronicles 6:3-8). There is a faint possibility that this Ahitub was made high priest by Saul after the extermination of the family of Ahimelech, but it is very unlikely as there are apparently no references supporting this. It is much more likely that Saul had no official high priest after this incident until the end of his reign (see Josephus's Antiquities of the Jews, Book VI, Chapter XII, Paragraph 7.