Parse this person name:

Bianca Siffredi (1401-1481, flourished 1418-1435)
user
first_name: Bianca
last_name: Siffredi
middle_names: []
temporal:
- start: 1401
  end: 1481
  type: life_span
- start: 1418
  end: 1435
  type: flourished
titles: []
extra_info: []
assistant