Jude (alternatively Judas or Judah; Ancient Greek: Ἰούδας) was a "brother" of Jesus according to the New Testament.
[3] Mark 6:3 and Matthew 13:55 record the people of Nazareth saying of Jesus: "Is not this the carpenter, the son of Mary, the brother of James, and Joses, and of Judas, and Simon?
But K. Beyer points out that Greek ἕως οὗ ('until') after a negative "often has no implication at all about what happened after the limit of the 'until' was reached".
[7]According to the surviving fragments of the work Exposition of the Sayings of the Lord of the Apostolic Father Papias of Hierapolis, who lived c. 70–163 AD, Mary the wife of Cleophas or Alphaeus would be the mother of Jude, the brother of Jesus that Papias identifies with Thaddeus: Mary the wife of Cleophas or Alphaeus, who was the mother of James the bishop and apostle, and of Simon and Thaddeus, and of one Joseph...(Fragment X)[8]The bishop of Salamis, Epiphanius, wrote in his work The Panarion (AD 374–375) that Joseph became the father of James and his three brothers (Joses, Simeon, Judah) and two sisters (a Salome and a Mary) or (a Salome and an Anna)[9] with James being the elder sibling.
His nickname may have occurred due to a resemblance to Jesus or to avoid confusion between Jude and Judas Iscariot.
Upon hearing this, Domitian did not pass judgment against them, but, despising them as of no account, he let them go, and by a decree put a stop to the persecution of the Church.
Epiphanius of Salamis, in his Panarion, mentions a Judah Kyriakos, great grandson of Jude, as last Jewish Bishop of Jerusalem, who was still living after the Bar Kokhba's revolt.