Parse this person name:

Gabrielle Valentin (1808-1866, flourished 1837-1857)
user
first_name: Gabrielle
last_name: Valentin
middle_names: []
temporal:
- start: 1808
  end: 1866
  type: life_span
- start: 1837
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant