Parse this person name:

Sáez Vall, Juan Antonio Rolando Elena Hector Raimundo, born 1220
user
first_name: Juan Antonio
last_name: Sáez Vall
middle_names:
- Rolando
- Elena
- Hector
- Raimundo
temporal:
- start: 1220
  end: null
  type: life_span
titles: []
extra_info: []
assistant