And one of the elders responded and said to me: "These ones who are clothed in white robes, who are they? And where did they come from?
Other versions
King James Version
And one of the elders answered, saying unto me, What are these which are arrayed in white robes? and whence came they?English Standard Version
Then one of the elders addressed me, saying, "Who are these, clothed in white robes, and from where have they come?"New International Version
Then one of the elders asked me, "These in white robes--who are they, and where did they come from?"