Parse this person name:

Étienne Étienne (1849-1906, flourished 1871-1898)
user
first_name: Étienne
last_name: Étienne
middle_names: []
temporal:
- start: 1849
  end: 1906
  type: life_span
- start: 1871
  end: 1898
  type: flourished
titles: []
extra_info: []
assistant