Parse this person name:

Hélène Marie Éléonore G. Sophie Gros, Martins-sur-Mer, 1798-1863
user
first_name: Hélène
last_name: Gros
middle_names:
- Marie
- Éléonore
- G.
- Sophie
temporal:
- start: 1798
  end: 1863
  type: life_span
titles: []
extra_info:
- Martins-sur-Mer
assistant