English Standard Version
which he will display at the proper time—he who is the blessed and only Sovereign, the King of kings and Lord of lords,

American Standard Version
which in its own times he shall show, who is the blessed and only Potentate, the King of kings, and Lord of lords;

Berean Study Bible
which the blessed and only Sovereign One—the King of kings and Lord of lords—will bring about in His own time.

Douay-Rheims Bible
Which in his times he shall shew who is the Blessed and only Mighty, the King of kings, and Lord of lords;

English Revised Version
which in its own times he shall shew, who is the blessed and only Potentate, the King of kings, and Lord of lords;

King James Bible
Which in his times he shall shew, who is the blessed and only Potentate, the King of kings, and Lord of lords;

World English Bible
which in its own times he will show, who is the blessed and only Ruler, the King of kings, and Lord of lords;

Young's Literal Translation
which in His own times He shall shew -- the blessed and only potentate, the King of the kings and Lord of the lords,

1 Timothy 6:15 Additional Translations ...