Also see definition of "Pyrrhus" in Word Study
In Bible versions:
Pyrrhus: NET AVS NIV NRSV NASB TEV
the father of Sopater of Berea
PYRRHUS [smith]
the father of Sopater of Berea. (Acts 20:4) in Revised Version. (A.D. 55.)PYRRHUS [isbe]
PYRRHUS - pir'-us (Purros, "fiery-red"): The name is inserted in the text of the Revised Version (British and American) in Acts 20:4 as that of the father of SOPATER (which see).
Also see definition of "Pyrrhus" in Word Study