Parse this person name:

Timothée Margaux Brun-Goncalves, Gauthier, 1831-1875
user
first_name: Timothée
last_name: Brun-Goncalves
middle_names:
- Margaux
temporal:
- start: 1831
  end: 1875
  type: life_span
titles: []
extra_info:
- Gauthier
assistant