Parse this person name:

Ernesto Greggio (1261-1335, flourished 1281-1298)
user
first_name: Ernesto
last_name: Greggio
middle_names: []
temporal:
- start: 1261
  end: 1335
  type: life_span
- start: 1281
  end: 1298
  type: flourished
titles: []
extra_info: []
assistant