Parse this person name:

Beatrice Gastone Claudio Allegra Mercedes Contrafatto, -1287
user
first_name: Beatrice
last_name: Contrafatto
middle_names:
- Gastone
- Claudio
- Allegra
- Mercedes
temporal:
- start: null
  end: 1287
  type: life_span
titles: []
extra_info: []
assistant