Parse this person name:

Biagi Calvo, Sandro C. X. Marcella Azeglio Matteo, 1438-1484
user
first_name: Sandro
last_name: Biagi Calvo
middle_names:
- C.
- X.
- Marcella
- Azeglio
- Matteo
temporal:
- start: 1438
  end: 1484
  type: life_span
titles: []
extra_info: []
assistant