Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Sopater
The father who saves, probably the same as Sosipater, a kinsman of Paul (Rom. 16:21), a Christian of the city of Berea who accompanied Paul into Asia (Acts 20:4-6).
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.