Parse this person name:

Marchese Margherita Borsiere, Refrontolo, 1246-1284
user
first_name: Margherita
last_name: Borsiere
middle_names: []
temporal:
- start: 1246
  end: 1284
  type: life_span
titles:
- Marchese
extra_info:
- Refrontolo
assistant