Simplify the following text for a Grade 7 native English-speaking person.
Original: Dettmar Cramer ( born 4 April 1925 in Dortmund ) is a German former football player and coach who led Bayern Munich to the 1975 and 1976 European Cups .
Simplified: Dettmar Cramer ( born 4 April 1925 ) is a former German football manager .