Parse this person name:

Grégoire L. (Grégoire Léon) De Sousa'Faivre, 1697-1769
user
first_name: Grégoire
last_name: De Sousa'Faivre
middle_names:
- Léon
temporal:
- start: 1697
  end: 1769
  type: life_span
titles: []
extra_info: []
assistant