en_tn/2ki/15/10.md

and killed him

some very old Greek versions add the place name, "at Ibleam" - some translations place that information in the text

Then he became king in his place

"Then Shallum became king in Zechariah's place."

This was the word of Yahweh that he spoke to Jehu, saying, "Your descendants will sit on the throne of Israel to the fourth generation."

AT: "This is what Yahweh said to Jehu: 'Your descendants will be the kings of Israel for four generations.'" (See: rc://en/ta/man/translate/figs-explicit)