Parse this person name:

Stefanie Koch II (1836-1900, flourished 1851-1866)
user
first_name: Stefanie
last_name: Koch II
middle_names: []
temporal:
- start: 1836
  end: 1900
  type: life_span
- start: 1851
  end: 1866
  type: flourished
titles: []
extra_info: []
assistant