Parse this person name:

Bertrand Camille Michelle Poirier'Bigot, Raynaud-sur-Brun, flourished 1485-1496
user
first_name: Bertrand
last_name: Poirier'Bigot
middle_names:
- Camille
- Michelle
temporal:
- start: 1485
  end: 1496
  type: flourished
titles: []
extra_info:
- Raynaud-sur-Brun
assistant