In the urban district of "Alt-Marl" (Old Marl) stands St George's Church, which in the 11th century belonged to the local Count Balderich of the Lower Rhine. Later he gave the church to Archbishop Heribert of Cologne. A manuscript dating from 1160 states that Archbishop Heribert donated the church to Deutz Abbey. In the 13th century it became a parish church, the appointment of its first priest being recorded in 1228. From 1419 the church was under the patronage of the local noble family of Loe. This lasted until 1830, when the patronage devolved to Baron Twickel of Lüttinghoff. Between 1856 and 1859 the church was completely restored, to plans drawn up by Emil von Manger, a builder employed by the Roman Catholic Diocese of Münster. The church's Romanesque foundation walls dating from the 12th century were retained in the restoration.