Parse this person name:

علاء الدّين آل العسكري, 1447-1491, flourished 1477-1486
user
first_name: علاء الدّين
last_name: آل العسكري
middle_names: []
temporal:
- start: 1447
  end: 1491
  type: life_span
- start: 1477
  end: 1486
  type: flourished
titles: []
extra_info: []
assistant