Easton's Bible Dictionary (1897)
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).
Smith's Bible Dictionary (1863)
(saviour of his father), son or Pyrrhus or Berea, was one of the companions of St. Paul on his return from Greece into Asia.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SOP'ATER (father saved), a Beranin who was Paul's companion. Acts 20:4.
Hitchcock's Bible Names (1869)
Sosipater, who defends the father