Parse this person name:

Sigfrido Palacio (1454-1531, flourished 1470-1485)
user
first_name: Sigfrido
last_name: Palacio
middle_names: []
temporal:
- start: 1454
  end: 1531
  type: life_span
- start: 1470
  end: 1485
  type: flourished
titles: []
extra_info: []
assistant