Parse this person name:

Roger Petitjean, Pénélope B. Olivier, 1885-1962
user
first_name: Pénélope
last_name: Roger Petitjean
middle_names:
- B.
- Olivier
temporal:
- start: 1885
  end: 1962
  type: life_span
titles: []
extra_info: []
assistant