Parse this person name:

Piersanti Marangoni, 1325-1375, flourished 1342-1360
user
first_name: Piersanti
last_name: Marangoni
middle_names: []
temporal:
- start: 1325
  end: 1375
  type: life_span
- start: 1342
  end: 1360
  type: flourished
titles: []
extra_info: []
assistant