Parse this person name:

Ivan Ferretti (1207-1247, flourished 1234-1242)
user
first_name: Ivan
last_name: Ferretti
middle_names: []
temporal:
- start: 1207
  end: 1247
  type: life_span
- start: 1234
  end: 1242
  type: flourished
titles: []
extra_info: []
assistant