 Complete the following phrase:  Diefflen has a catholic parish church: Saint Joseph and St. Wendelin. The first neo-gothic church of the architect Wilhelm Hector 18551918 was built in the years 1899-1900. After severe damage in World War II, the building was extensively extended in the years 1948-1950 according to the plans of the architects Alois Havener Saarlouis and Rudolf Güthler Saarbrücken and redesigned in the 