Parallel
2 Kings 11:1
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the seed royal (note: Heb. seed of the kingdom).
When Athaliah the mother of Ahaziah saw that her son was dead, she proceeded to annihilate all the royal heirs.