Parse this person name:

Piersanti Abba, 1204-1260, flourished 1225-1251
user
first_name: Piersanti
last_name: Abba
middle_names: []
temporal:
- start: 1204
  end: 1260
  type: life_span
- start: 1225
  end: 1251
  type: flourished
titles: []
extra_info: []
assistant