Two and twenty: In the parallel passage of Chronicles, it is said, "forty and two years old was Ahaziah when he began to reign;" but this is evidently a mistake, as it makes the son two years older than his own father! For his father began to reign when he was thirty-two years old, and reigned eight years, and so died, being forty years old. See note on 2 Kings 8:17, and see note on 2 Chronicles 22:2.
one year: 2 Kings 9:21-27; 2 Chronicles 22:5-8
Athaliah: 2 Kings 11:1, 2 Kings 11:13-16
daughter: or, grand-daughter, 2 Kings 8:18