Parse this person name:

Martine Gröttner (1839-1908, flourished 1866-1896)
user
first_name: Martine
last_name: Gröttner
middle_names: []
temporal:
- start: 1839
  end: 1908
  type: life_span
- start: 1866
  end: 1896
  type: flourished
titles: []
extra_info: []
assistant