Parse this person name:

Stéphanie Guérin (1842-1912, flourished 1864-1890)
user
first_name: Stéphanie
last_name: Guérin
middle_names: []
temporal:
- start: 1842
  end: 1912
  type: life_span
- start: 1864
  end: 1890
  type: flourished
titles: []
extra_info: []
assistant