(Brun; Boniface) (c.970–1009) Martyr, Archbishop of the Slavs, and second Apostle of the Prussians. In 996 he accompanied Emperor Otto III to Rome, where he became acquainted with Saint Adalbert and Saint Romuald who directed him in the ascetic life. He was consecrated archbishop of the heathen Slavs in 1004; preached to the Hungarian, Petsbenges, and pagan Prussians by whom he was killed. He is the author of the life of Saint Adalbert, and also of the lives of the martyred monks known as the five Polish brothers. Represented in art, crossing a red-hot furnace, and blessing the Chalice of the Mass with his hands cut off. Relics in Poland. Feast, 15 October.