Now when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the royal family.
God had assured David of the continuance of his family, which is called his ordaining a lamp for his anointed; and this cannot but appear a great thing, now that we have read of the utter extirpation of so many royal families, one after another. Now here we have David's promised lamp almost extinguished and yet wonderfully preserved. I.
Commenting on 2 Kings 11:1-3
And when Athaliah the mother of Ahaziah saw that her son was dead,.... Who was the daughter of Ahab, and granddaughter of Omri Kg2 8:18, she arose: and destroyed all the seed royal; that were left, for many had been slain already; the sons of Jehoshaphat, the brothers of Joram, were slain by him, Ch2 21:4 and all Joram's sons, excepting Ahaziah, were slain by...
And when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the seed royal. (a) Meaning, all the posterity of Jehoshaphat, to whom the kingdom belonged: thus God used the cruelty of this woman to destroy the family of Ahab.