Parse this person name:

Sanmiguel, Sigfrido Demetrio Efraín H. Pilar., Alicante (1276-1304)
user
first_name: Sigfrido
last_name: Sanmiguel
middle_names:
- Demetrio
- Efraín
- H.
- Pilar
temporal:
- start: 1276
  end: 1304
  type: life_span
titles: []
extra_info:
- Alicante
assistant