Parse this person name:

Marianne Martineau (1786-1843, flourished 1812-1838)
user
first_name: Marianne
last_name: Martineau
middle_names: []
temporal:
- start: 1786
  end: 1843
  type: life_span
- start: 1812
  end: 1838
  type: flourished
titles: []
extra_info: []
assistant