Parse this person name:

Sosa, Aitor Y. Alma Eugenia Chus., Ciudad (1424-1489)
user
first_name: Aitor
last_name: Sosa
middle_names:
- Y.
- Alma
- Eugenia
- Chus
temporal:
- start: 1424
  end: 1489
  type: life_span
titles: []
extra_info:
- Ciudad
assistant