2 Timothy 4:20
Erastus stayed on at Corinth: I left Trophimus ill at Miletus.
Acts 20:4
His company as far as Asia consisted of Sopater of Beroea (the son of Pyrrhus), Aristarchus and Secundus from Thessalonica, Gaius of Derbe, Timotheus, and Tychicus and Trophimus from Asia.
Acts 19:22
So he despatched two of his assistants to Macedonia, Timotheus and Erastus, while he himself stayed on awhile in Asia.
Acts 21:29
(They had previously seen Trophimus the Ephesian along with him in the city, and they supposed Paul had taken him inside the temple.)
Acts 20:15
Sailing thence on the following day we arrived off Chios; next day we crossed over to Samos, and [after stopping at Trogyllium] we went on next day to Miletus.
Romans 16:23
Gaius, my host and the host of the church at large salutes you. Erastus the city-treasurer salutes you; so does brother Quartus.
Acts 20:17
From Miletus he sent to Ephesus for the presbyters of the church.
Philippians 2:26-27
for he has been yearning for you all. He has been greatly concerned because you heard he was ill.