Parse this person name:

Nicolau Gordillo, Guillermo Raúl Alonso, 1721-1746
user
first_name: Guillermo
last_name: Nicolau Gordillo
middle_names:
- Raúl
- Alonso
temporal:
- start: 1721
  end: 1746
  type: life_span
titles: []
extra_info: []
assistant