NET
9 For you know the grace of our Lord Jesus Christ, that although he was rich, he became poor for your sakes, so that you by his poverty could become rich.
Darby
9 For ye know the grace of our Lord Jesus Christ, that for your sakes he, being rich, became poor, in order that *ye* by *his* poverty might be enriched.
KJV
9 For ye know the grace of our Lord Jesus Christ, that, though he was rich, yet for your sakes he became poor, that ye through his poverty might be rich.