22 Heb “she arose and she destroyed all the royal offspring.” The verb קוּם (qum, “arise”) is here used in an auxiliary sense to indicate that she embarked on a campaign to destroy the royal offspring. See M. Cogan and H. Tadmor, II Kings (), .
23 Heb “house of Judah.”

In other versions

Now when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the royal family of the house of Judah.

When Athaliah the mother of Ahaziah saw that her son was dead, she proceeded to destroy the whole royal family of the house of Judah.

When Athaliah, Ahaziah’s mother, saw that her son was dead, she proceeded to annihilate all the royal heirs of the house of Judah.

When Athaliah, the mother of King Ahaziah of Judah, learned that her son was dead, she began to destroy the rest of Judah’s royal family.

Now when Athaliah the mother of Ahaziah saw that her son was dead, she arose and murdered all the royal descendants of the house of Judah.

But when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the seed royal of the house of Judah.

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