Captivity and Conversion to Monastic Life
At a young age John was taken captive by Crimean Tatars. Rather than resist, he submitted meekly to his masters and dutifully accomplished the work assigned to him, accepting his condition as the will of God. After three years his father secured his ransom and freedom.
Following his release he went to Moscow and entered the Andronikov Monastery, where he was tonsured a monk with the name Barsanuphius. He gave himself to ascetical practices and became known for his virtue and piety.
Missionary Work at Kazan
After serving as igumen of the Pesnosha Monastery from 1544, Barsanuphius relocated to Kazan and founded a monastery dedicated to the Transfiguration of the Lord.
There he worked alongside Saint Gurias, the first Archbishop of Kazan, in missionary efforts among the Muslim and pagan populations of the region. The fluency in the Tatar language that he had acquired during his captivity proved invaluable to this evangelistic work.
Episcopate at Tver and Repose
In 1567 Barsanuphius was consecrated Bishop of Tver. He became renowned for healing both physical illnesses, through his knowledge of medicine, and spiritual afflictions, through his pastoral care.
In his advanced years he returned to the monastery he had founded at Kazan, received monastic tonsure in the Great Schema, and reposed there in 1576.
Relics & Shrines
The relics of Saint Barsanuphius were uncovered at Kazan on October 4 (the sources give 1595 and 1596), an event commemorated together with Saint Gurias of Kazan. His relics were later transferred to the Cathedral of the Annunciation on June 20, 1630.
Veneration and Commemoration
Saint Barsanuphius is commemorated on April 11 (April 24 on the Old Calendar). His principal feast, observed together with Saint Gurias of Kazan, falls on October 4, the date of the uncovering of his relics, and he is also remembered among the hierarchs of Kazan.
The Diocese of Tver records a Bishop Barsanuphius with a tenure dated 1567–1570, consistent with his consecration in 1567; an earlier Barsanuphius (1316–1328) of the same see is a distinct person.