During negotiations for the Treaty of Tilsit in 1807, Pastor La Canal of the church and Königsberg commerce councillor Prin convinced Napoleon to reduce Prussia's war indemnity from 20 million to 12 million francs.
Beginning in 1817 German sermons were given every fourth week; by 1831, the pattern was reversed and French sermons were given every fourth week. The parish was fluent in German, but adhered to its Huguenot past out of tradition. Pastor Louise Guillaume Daniel Detroit denounced the Athanasian Creed in 1847, leading to his removal in 1852.
Built as an elongated decagon, the church had a lighter and graceful look. The square central space was surrounded by elliptical side aisles supported by columns. The wooden pulpit dated from 1737, while the tassel-decorated organ was made in 1739.
The central archive in Berlin of the Evangelical Church in Germany contains artifacts from the church, including a gilded silver goblet (1690 by Paul Müller), a copy of the goblet (1749 by Cornelius Muerkerk), and a gilded ciborium of silver (1699 by Paul Müller).
Gause, Fritz (1968). Die Geschichte der Stadt Königsberg. Band II: Von der Königskrönung bis zum Ausbruch des Ersten Weltkriegs (in German). Köln: Böhlau Verlag. p. 761.
