Parse this person name:

Severino Ortega, 1256-1321, flourished 1285-1298
user
first_name: Severino
last_name: Ortega
middle_names: []
temporal:
- start: 1256
  end: 1321
  type: life_span
- start: 1285
  end: 1298
  type: flourished
titles: []
extra_info: []
assistant