Parse this person name:

سفيان آل الشيخ, 1789-1858, flourished 1806-1835
user
first_name: سفيان
last_name: آل الشيخ
middle_names: []
temporal:
- start: 1789
  end: 1858
  type: life_span
- start: 1806
  end: 1835
  type: flourished
titles: []
extra_info: []
assistant