Parse this person name:

Théodore Marion (1771-1846, flourished 1797-1818)
user
first_name: Théodore
last_name: Marion
middle_names: []
temporal:
- start: 1771
  end: 1846
  type: life_span
- start: 1797
  end: 1818
  type: flourished
titles: []
extra_info: []
assistant