Parse this person name:

Ernesto Seve Héctor Carnero el Valiente, aproximadamente 1296-1360
user
first_name: Ernesto
last_name: Carnero
middle_names:
- Seve
- Héctor
temporal:
- start: 1296
  end: 1360
  type: life_span
titles: []
extra_info: []
assistant