Parse this person name:

Mazzanti Oscuro, Michelangelo Serafina Beatrice Oreste Dina, 1250-1279
user
first_name: Michelangelo
last_name: Mazzanti Oscuro
middle_names:
- Serafina
- Beatrice
- Oreste
- Dina
temporal:
- start: 1250
  end: 1279
  type: life_span
titles: []
extra_info: []
assistant