Parse this person name:

Ríos Villalonga, Cayetano K. E., 1908-1939
user
first_name: Cayetano
last_name: Ríos Villalonga
middle_names:
- K.
- E.
temporal:
- start: 1908
  end: 1939
  type: life_span
titles: []
extra_info: []
assistant