Parse this person name:

Petar Sontag, 1313-1372, flourished 1332-1342
user
first_name: Petar
last_name: Sontag
middle_names: []
temporal:
- start: 1313
  end: 1372
  type: life_span
- start: 1332
  end: 1342
  type: flourished
titles: []
extra_info: []
assistant