en_tn/2ki/10/17.md

royal line

"entire royal family"

just as was told them before by the word of Yahweh, which he had spoken to Elijah

This can be stated in active form. Alternate translation: "to fulfill the prophecy that Elijah had spoken, which Yahweh gave to him" (See: rc://en/ta/man/translate/figs-activepassive)