 The church and hospital of Soutra Aisle dedicated to the Holy Trinity, was held as a prebend of the chancellor of St Andrews.In 1459/60 the chancellorship was vacant allowing the dowager queen to supplicate Pope Pius II for the annexation of Soutra to her Trinity College foundation – the sanctioning bull was published on 23 October 1460.Queen Mary issued a charter on 25 March 1462 detailing the constitution for Trinity College in which the provost was to hold Soutra church as a prebend but had to maintain three bedesmen in the Soutra hospital.