Parse this person name:

Principessa Sandro Sauro, Bettole Sesia, 1238-1277
user
first_name: Sandro
last_name: Sauro
middle_names: []
temporal:
- start: 1238
  end: 1277
  type: life_span
titles:
- Principessa
extra_info:
- Bettole Sesia
assistant