International Standard Version I will strike her children dead. Then all the churches will know that I am the one who searches minds and hearts. I will reward each of you as your actions deserve.
American Standard Version And I will kill her children with death; and all the churches shall know that I am he that searcheth the reins and hearts: and I will give unto each one of you according to your works.
Young's Literal Translation and her children I will kill in death, and know shall all the assemblies that I am he who is searching reins and hearts; and I will give to you -- to each -- according to your works.