King James Version (KJV)
This {was} the word of the LORD which he spake unto Jehu, saying, Thy sons shall sit on the throne of Israel unto the fourth {generation}. And so it came to pass.
Modern English
This was Yahweh’s word which he spoke to Jehu, saying, “Your sons to the fourth generation shall sit on the throne of Israel.” So it came to pass.
Hebrew
ה֣וּא דְבַר־יְהוָ֗ה אֲשֶׁ֨ר דִּבֶּ֤ר אֶל־יֵהוּא֙ לֵאמֹ֔ר בְּנֵ֣י רְבִיעִ֔ים יֵשְׁב֥וּ לְךָ֖ עַל־כִּסֵּ֣א יִשְׂרָאֵ֑ל וֽ͏ַיְהִי־כֵֽן׃
hvʾ dbar-yhvah ʾasher diber ʾel-yehvʾ leʾmor bney rbiyʿiym yeshbv lka ʿal-kiseʾ yishraʾel v͏ayhiy-ken