Parse this person name:

Margaud S. (Margaud Stéphane) Chevallier-Gilles, 1409-1466
user
first_name: Margaud
last_name: Chevallier-Gilles
middle_names:
- Stéphane
temporal:
- start: 1409
  end: 1466
  type: life_span
titles: []
extra_info: []
assistant