Saint John Cassian Born c. 360[1] Scythia Minor (modern-day Dobrogea, Romania) Died c. 435 Massilia, Gaul (modern-day Marseilles, France) Venerated in Eastern Orthodox Church Roman Catholic Church Anglican Communion Eastern Catholic Churches Major shrine Monastery of St Victor, Marseille Feast East:February 29th (28th non-leap years) West:July 23