en_tn/2ki/11/01.md

Athaliah ... Jehosheba ... Joash

These are the names of people. (See: rc://en/ta/man/translate/translate-names)

saw that her son was dead

"became aware that her son was dead"

she arose and killed all the royal children

Athaliah did not personally kill the children. Alternate translation: "she commanded her servants to kill all the members of Ahaziah's family who might become king" (See: rc://en/ta/man/translate/figs-explicit)