Parse this person name:

Knud Girschner, 1870-1950, flourished 1891-1913
user
first_name: Knud
last_name: Girschner
middle_names: []
temporal:
- start: 1870
  end: 1950
  type: life_span
- start: 1891
  end: 1913
  type: flourished
titles: []
extra_info: []
assistant