Parse this person name:

Sandra Gregorio, 1457-1535, flourished 1479-1498
user
first_name: Sandra
last_name: Gregorio
middle_names: []
temporal:
- start: 1457
  end: 1535
  type: life_span
- start: 1479
  end: 1498
  type: flourished
titles: []
extra_info: []
assistant