New Living Translation
This is how I will test your story. I swear by the life of Pharaoh that you will never leave Egypt unless your youngest brother comes here!

American Standard Version
hereby ye shall be proved: by the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.

Berean Study Bible
And this is how you will be tested: As surely as Pharaoh lives, you shall not leave this place unless your youngest brother comes here.

Douay-Rheims Bible
I shall now presently try what you are: by the health of Pharao you shall not depart hence, until your youngest brother come.

English Revised Version
hereby ye shall be proved: by the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.

King James Bible
Hereby ye shall be proved: By the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.

World English Bible
By this you shall be tested. By the life of Pharaoh, you shall not go forth from here, unless your youngest brother comes here.

Young's Literal Translation
by this ye are proved: Pharaoh liveth! if ye go out from this -- except by your young brother coming hither;

Genesis 42:15 Additional Translations ...