Parse this person name:

Osvaldo Pignatti-Pacetti, flourished 1327-1339, flourished 1327-1339
user
first_name: Osvaldo
last_name: Pignatti-Pacetti
middle_names: []
temporal:
- start: 1327
  end: 1339
  type: flourished
titles: []
extra_info: []
assistant