Parse this person name:

Savorgnan Proietti, Orazio B. Letizia Vincenza F., 1279-1338
user
first_name: Orazio
last_name: Savorgnan Proietti
middle_names:
- B.
- Letizia
- Vincenza
- F.
temporal:
- start: 1279
  end: 1338
  type: life_span
titles: []
extra_info: []
assistant