Parse this person name:

عثمان آل الشيخ (1269-1333, flourished 1287-1310)
user
first_name: عثمان
last_name: آل الشيخ
middle_names: []
temporal:
- start: 1269
  end: 1333
  type: life_span
- start: 1287
  end: 1310
  type: flourished
titles: []
extra_info: []
assistant