The nave was expanded as a five-bayed construction in the 15th century with painted ceilings in the side bays and a 14-storey new tower façade built around 1450.
They were removed to another location in Frankfurt in September 1941 to protect them from bombing – there they were photographed in black and white before being moved to the New Palace in Potsdam in April 1945.
In June 1946 they were seized from Potsdam by the Soviet Military Administration in Germany and taken to the Red Army Spoils of War Camp 1 at Zentralvieh- und Schlachthof in Berlin.
The German culture minister Bernd Neumann then handed them over to the parish and the city in November 2008[4] and the last pieces of the windows were reinstalled in the church in February 2009.
[5] Its sacristy and Martyrchor (Martyrs' choir) were rebuilt and the nave altar brought back into use by the parish using its own funds in 1958, but the limited heating meant services could only occur in the summer.