Zenonis Concordius and Theodori
Martyrological notice
The historical Roman Martyrology commemorates Zenonis Concordius and Theodori on 2 September. The Latin notice identifies the record as martyr. The source places the commemoration at Nicomediae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Nicomediae sanctorum Martyrum Zenonis, atque Concordii et Theodori, filiorum ejus.