Parse this person name:

Hernandez, Hélène Martin I.., Grenier (1617-1687)
user
first_name: Hélène
last_name: Hernandez
middle_names:
- Martin
- I.
temporal:
- start: 1617
  end: 1687
  type: life_span
titles: []
extra_info:
- Grenier
assistant