Parse this person name:

Étienne Chrétien (1826-1882, flourished 1853-1877)
user
first_name: Étienne
last_name: Chrétien
middle_names: []
temporal:
- start: 1826
  end: 1882
  type: life_span
- start: 1853
  end: 1877
  type: flourished
titles: []
extra_info: []
assistant