Parse this person name:

Gilles Étienne, 1807-1871, flourished 1825-1854
user
first_name: Gilles
last_name: Étienne
middle_names: []
temporal:
- start: 1807
  end: 1871
  type: life_span
- start: 1825
  end: 1854
  type: flourished
titles: []
extra_info: []
assistant