Parse this person name:

Étienne Barbier (1408-1448, flourished 1435-1443)
user
first_name: Étienne
last_name: Barbier
middle_names: []
temporal:
- start: 1408
  end: 1448
  type: life_span
- start: 1435
  end: 1443
  type: flourished
titles: []
extra_info: []
assistant