Parse this person name:

Laetitia Leclercq, 1779-1857, flourished 1798-1822
user
first_name: Laetitia
last_name: Leclercq
middle_names: []
temporal:
- start: 1779
  end: 1857
  type: life_span
- start: 1798
  end: 1822
  type: flourished
titles: []
extra_info: []
assistant