Parse this person name:

Vercelloni, Piergiorgio T. (Piergiorgio Tiziano), 1424-1465
user
first_name: Piergiorgio
last_name: Vercelloni
middle_names:
- Tiziano
temporal:
- start: 1424
  end: 1465
  type: life_span
titles: []
extra_info: []
assistant