2 Chronicles 22:10

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

2 Kings 11:1-3

When Athaliah the mother of Ahaziah saw that her son was dead, she rose and destroyed all the royal offspring.

2 Chronicles 22:2-4

Ahaziah was twenty-two years old when he became king, and he reigned one year in Jerusalem. And his mother’s name was Athaliah, the granddaughter of Omri.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Athaliah

2 Chronicles 22:2
Ahaziah was twenty-two years old when he became king, and he reigned one year in Jerusalem. And his mother’s name was Athaliah, the granddaughter of Omri.
2 Kings 11:1
When Athaliah the mother of Ahaziah saw that her son was dead, she rose and destroyed all the royal offspring.