King James Version (KJV)
And Saul hearkened unto the voice of Jonathan: and Saul sware, {As} the LORD liveth, he shall not be slain.
Modern English
Saul listened to the voice of Jonathan: and Saul swore, “As Yahweh lives, he shall not be put to death.”
Hebrew
וַיִּשְׁמַ֥ע שָׁא֖וּל בְּק֣וֹל יְהוֹנָתָ֑ן וַיִּשָּׁבַ֣ע שָׁא֔וּל חַי־יְהוָ֖ה אִם־יוּמָֽת׃
vayishmaʿ shaʾvl bqvol yhvonatan vayishabaʿ shaʾvl ḥay-yhvah ʾim-yvmat