Parse this person name:

Picard Gilles, Arthur Marc P. Élodie Mathilde, born 1868
user
first_name: Arthur
last_name: Picard Gilles
middle_names:
- Marc
- P.
- Élodie
- Mathilde
temporal:
- start: 1868
  end: null
  type: life_span
titles: []
extra_info: []
assistant