Parse this person name:

Ricciotti Callegaro, 1208-1257, flourished 1226-1239
user
first_name: Ricciotti
last_name: Callegaro
middle_names: []
temporal:
- start: 1208
  end: 1257
  type: life_span
- start: 1226
  end: 1239
  type: flourished
titles: []
extra_info: []
assistant