Parse this person name:

سيف الدّين آل العسكري, 1225-1279, flourished 1242-1252
user
first_name: سيف الدّين
last_name: آل العسكري
middle_names: []
temporal:
- start: 1225
  end: 1279
  type: life_span
- start: 1242
  end: 1252
  type: flourished
titles: []
extra_info: []
assistant