Parse this person name:

علاء آل سعود-آل سلطان, 1429-1507, flourished 1450-1464
user
first_name: علاء
last_name: آل سعود-آل سلطان
middle_names: []
temporal:
- start: 1429
  end: 1507
  type: life_span
- start: 1450
  end: 1464
  type: flourished
titles: []
extra_info: []
assistant