Parse this person name:

Gaillard Hoareau, Benoît Marguerite Vincent Bertrand, 1227-1291
user
first_name: Benoît
last_name: Gaillard Hoareau
middle_names:
- Marguerite
- Vincent
- Bertrand
temporal:
- start: 1227
  end: 1291
  type: life_span
titles: []
extra_info: []
assistant