Parse this person name:

Cordier, Hélène F. (Hélène Frédérique), 1946-2012
user
first_name: Hélène
last_name: Cordier
middle_names:
- Frédérique
temporal:
- start: 1946
  end: 2012
  type: life_span
titles: []
extra_info: []
assistant