Parse this person name:

Regnier, Auguste Mathilde Emmanuelle René., Sancheznec (1337-1390)
user
first_name: Auguste
last_name: Regnier
middle_names:
- Mathilde
- Emmanuelle
- René
temporal:
- start: 1337
  end: 1390
  type: life_span
titles: []
extra_info:
- Sancheznec
assistant