Parse this person name:

Sebastián O. Clarisa Rocío Juan Manuel W. Gomez, Cantabria, died 1857
user
first_name: Sebastián
last_name: Gomez
middle_names:
- O.
- Clarisa
- Rocío
- Juan Manuel
- W.
temporal:
- start: null
  end: 1857
  type: life_span
titles: []
extra_info:
- Cantabria
assistant