2 Timothy 4.19
Salute = greet
Prisca and Aquila = Romans 16:3, Paul's dear friends now back at Ephesus.
Household of Onesiphorus = 2 Timothy 1:17 Whether he was still living or not we don't know, or even if he were a Christians, but we suspect he was. (see notes on 2 Timothy 1:15-18)