Parse this person name:

Ernesto Arnulfo Silvia Bettina Montanari, died 1400
user
first_name: Ernesto
last_name: Montanari
middle_names:
- Arnulfo
- Silvia
- Bettina
temporal:
- start: null
  end: 1400
  type: life_span
titles: []
extra_info: []
assistant