Parse this person name:

Giustino Gianvecchio, 1454-1520, flourished 1473-1484
user
first_name: Giustino
last_name: Gianvecchio
middle_names: []
temporal:
- start: 1454
  end: 1520
  type: life_span
- start: 1473
  end: 1484
  type: flourished
titles: []
extra_info: []
assistant