Simplify the following text for a Grade 8 native English-speaking person.
Original: Dietrich Stobbe ( March 25 , 1938 â `` February 19 , 2011 ) was a German politician from Weepers , East Prussia .
Simplified: Dietrich Stobbe ( 25 March 1938 â `` 19 February 2011 ) was a German politician from Weepers , East Prussia .