King James Version (KJV)
Now it came to pass, when the kingdom was established to him, that he slew his servants that had killed the king his father.
Modern English
As soon as the royal power was firmly his, he killed his servants who had struck down the king his father.
Hebrew
וַ֠יְהִ֡י כַּאֲשֶׁ֡ר חָ֠זְקָ֡ה הַ֠מַּמְלָ֡כָה עָ֠לָ֡יו וַ֠יַּ֡הֲרֹג אֶ֠ת עֲבָדָ֡יו הַ֠מַּ֠כִּ֡ים אֶ֠ת הַ֠מֶּ֠לֶךְ אָבִֽיו׃
vayhiy kaʾasher ḥazqah hamamlakah ʿalayv vayaharog ʾet ʿabadayv hamakiym ʾet hamelek ʾabiyv