 On the north wall is the tomb of Guillaume Beschard, who was the bishop from 1379 to 1385, and on the south wall the tomb of Guy Eder, the bishop from 1428 to 1431.Facing the apsidal chapel is the tomb of Canon François de Boisgelin which dates to 1633.Now on the south side of the ambulatory, we encounter the Chapelle Sainte-Anne which was established by Christophe de Penmarc'h between 1471 and 1505.