Given the question: What key details about siegfried von forstner can be extracted from the following bio? Bio: korvettenkapitan siegfried freiherr von forstner -lrb- 19 september 1910 -- 13 october 1943 -rrb- was a german u-boat commander during world war ii . he was also a recipient of the knight 's cross of the iron cross -lrb- -rrb- . the knight 's cross of the iron cross was awarded to recognise extreme battlefield bravery or successful military leadership . he and his entire crew of were killed in action on 13 october 1943 .
The answer is:
- death place is atlantic ocean- battles is world war ii- death date is 13 october 1943- allegiance is weimar republic -lrb- to 1933 -rrb- nazi germany- commands is u-402 2- awards is knight 's cross of the iron cross- birth date is 19 september 1910- serviceyears is 1930 -- 43- name is siegfried von forstner- branch is weimar republic nazi germany- unit is sss vessel '' meteor '' battleship '' hessen '' cruiser '' '' admiral scheer '' cruiser '' nurnberg '' panzerschiff '' deutschland niobe '' u-99 1940 2 '' cruiser '' emden '' survey- image is file : siegfried von forstner.jpg- birth place is hannover- rank is korvettenkapitan posthumously promoted to fregattenkapitan