In this, my Father is glorified: that you should bring forth very much fruit and become my disciples
Other versions
King James Version
Herein is my Father glorified, that ye bear much fruit; so shall ye be my disciples.English Standard Version
By this my Father is glorified, that you bear much fruit and so prove to be my disciples.New International Version
This is to my Father's glory, that you bear much fruit, showing yourselves to be my disciples.