And when all things have been subjected to Him, then the Son Himself will be made subject to Him who put all things under Him, so that God may be all in all.
KJV
And when all things shall be subdued unto him, then shall the Son also himself be subject unto him that put all things under him, that God may be all in all.
ASV
And when all things have been subjected unto him, then shall the Son also himself be subjected to him that did subject all things unto him, that God may be all in all.