# My Father is glorified in this, that

"It causes people to honor my Father when" 

# My Father

This refers to God the Father. It is best to translate “Father” with the same word that your language uses to refer to a human father. 

# in this, that you bear much fruit

"when you live in a way that pleases him"

# prove that you are my disciples

"show you are my disciples" or "demonstrate you are my disciples"