StMark.600.TresRichesHeuresDuDucDeBerry Published April 25, 2017 at 812 × 1000 in Morning Prayer 4.25.17, St. Mark the Evangelist ← Previous St. Mark, from the Très Riches Heures, or illuminated Daily Office, of the Duc de Berry. St. Mark the Gospel Writer was the first bishop and most illustrious martyr of the Church of Alexandria.