Parse this person name:

Grégoire Auger (1771-1851, flourished 1794-1823)
user
first_name: Grégoire
last_name: Auger
middle_names: []
temporal:
- start: 1771
  end: 1851
  type: life_span
- start: 1794
  end: 1823
  type: flourished
titles: []
extra_info: []
assistant