The holy, glorious, all-laudable Apostle Tertius is numbered among the Seventy Apostles. He wrote down the Apostle Paul's letter to the Romans, and was Bishop in Iconium after the Apostle Sosipater. He died a martyr. The Church remembers St. Tertius on October 30 and November 10.
Source
St. Nikolai Velimirovic, The Prologue of Ohrid