Parse this person name:

Marthe M. (Marthe Manon) Langlois-Vallée, 1729-1809
user
first_name: Marthe
last_name: Langlois-Vallée
middle_names:
- Manon
temporal:
- start: 1729
  end: 1809
  type: life_span
titles: []
extra_info: []
assistant