The holy, glorious, all-laudable Apostle Justus is numbered among the Seventy Apostles. He was a son of Joseph the Betrothed and his first wife Salome, along with the Apostle James the Just, the Apostle Jude, and Simon; he is sometimes known as Joses. He and the Apostle Matthias were selected to replace Judas Iscariot but ultimately was St. Justus was not chosen. He was Bishop of Eleutheropolis and died a martyr. The Church remembers St. Justus on October 30.
Source
St. Nikolai Velimirovic, The Prologue of Ohrid