How this agrees with 2 Chronicles 22:2, See Poole on "2 Chronicles 22:2" on that place. The daughter of Omri, i.e. his granddaughter. See above 2 Kings 8:18.
Related Commentaries of 2 Kings 8:26
2 Kings 8:26
26 Two and twenty years old was Ahaziah when he began to reign; and he reigned one year in Jerusalem. And his mother's name was Athaliah, the daughtere of Omri king of Israel.