Salute all them - see the notes on Romans 16:3 ff. It was customary for the apostle Paul to close his epistles with an affectionate salutation.
That have the rule over you - notes, Hebrews 13:7, Hebrews 13:17. None are mentioned by name, as is usual in the Epistles of Paul. The cause of this omission is unknown. “And all the saints.” The common name given to Christians in the Scriptures; see the notes on Romans 1:7.
They of Italy salute you - The saints or Christians in Italy. Showing that the writer of the Epistle was then in Italy. He was probably in Rome; see the introduction, section 4.