NET
27 But we know where this man comes from. Whenever the Christ comes, no one will know where he comes from.”
Darby
27 But [as to] this [man] we know whence he is. Now [as to] the Christ, when he comes, no one knows whence he is.
KJV
27 Howbeit we know this man whence he is: but when Christ cometh, no man knoweth whence he is.