(1109-Jan. 12, 1167). The son of a Saxon priest in Hexham, Northumberland, England, Aelred was a Cistercian monk at the abbey of Rievaulx who became the abbot there in 1147. His two major writings are Mirror of Charity and Spiritual Friendship. A biography of Aelred was written by his pupil, Walter Daniel. His ministry is commemorated in the Episcopal calendar of the church year on Jan. 12.