 This thirteenth canon was to celebrate divine service daily at the altar of St. Thomas in the priory church for Master Simon's soul and the souls of his parents, Robert and Cecily; this agreement was confirmed by the Bishop of London and by the dean and chapter of St Paul's Cathedral.Master Simon afterwards granted additional rents and tenements from which he assigned half a mark for the vesture of the thirteenth canon, 3s.for the pittance of the convent, and 2s.