|Easton's Bible Dictionary|
Son of Saba, the surname (1) of Joseph, also called Justus (Acts 1:23), some identify him with Barnabas; (2) of Judas, who was a "prophet." Nothing more is known of him than what is mentioned in Acts 15:32.
Int. Standard Bible Encyclopedia
See JOSEPH BARSABBAS; JUDAS BARSABBAS.
Barsabas (2 Occurrences)
Acts 1:23 And they appointed two, Joseph called Barsabas, who was surnamed Justus, and Matthias. (KJV DBY WBS YLT)
Acts 15:22 Then pleased it the apostles and elders with the whole church, to send chosen men of their own company to Antioch with Paul and Barnabas; namely, Judas surnamed Barsabas and Silas, chief men among the brethren: (KJV DBY WBS YLT)