Salute Prisca and Aquila - Prisca, or Priscilla, was the wife of Aquila, though her name is sometimes mentioned first. In regard to their history, see the notes at Romans 16:3. They were at Rome when Paul wrote his Epistle to the Romans, but afterward went into Asia Minor, which was the native place of Aquila Acts 18:2, and where they probably died.
And the household of Onesiphorus; - see the notes on 2 Timothy 1:16.