Acts 19:22 Having sent into Macedonia two of those who served him, Timothy and Erastus, he himself stayed in Asia for a while. (WEB KJV WEY ASV BBE DBY WBS YLT NAS NIV)
Romans 16:23 Gaius, my host and host of the whole assembly, greets you. Erastus, the treasurer of the city, greets you, as does Quartus, the brother. (WEB KJV WEY ASV BBE DBY WBS YLT NAS NIV)
2 Timothy 4:20 Erastus remained at Corinth, but I left Trophimus at Miletus sick. (WEB KJV WEY ASV BBE DBY WBS YLT NAS NIV)