Parse this person name:

Étienne Lambert, 1781-1837, flourished 1800-1811
user
first_name: Étienne
last_name: Lambert
middle_names: []
temporal:
- start: 1781
  end: 1837
  type: life_span
- start: 1800
  end: 1811
  type: flourished
titles: []
extra_info: []
assistant