Parse this person name:

Salvatore Ivan Nanni Baldassare Siffredi di Toscana, intorno born 1606
user
first_name: Salvatore
last_name: Siffredi
middle_names:
- Ivan
- Nanni
- Baldassare
temporal:
- start: 1606
  end: null
  type: life_span
titles: []
extra_info: []
assistant