Nine Martyrs of Cyzicus

The Nine Martyrs of Cyzicus were a group of nine martyrs who in the last decades of the third century were martyred in the city of Cyzicus in Asia Minor for upholding their faith in Jesus Christ. They included Thaumasius, Theognes, Rufus, Antipater, Theostichus, Artemas, Magnus, Theodotus, and Philemon. The Nine Martyrs are commemorated on April 29 .

Source: OrthodoxWiki