 The window was not signed but is attributed to Hirsch and dated 1873.In the area where the crossings lead to the episcopal palace is a monument devoted to those members of the clergy of Quimper and Léon who gave their lives in the 1914-1918 war, this decorated with a mosaic by Charles Wassem based on a drawing by Maurice Denis and dating to 1924.50 priests had died and 51 seminarists.