Parse this person name:

سيّد آل الشيخ, 1211-1272, flourished 1237-1249
user
first_name: سيّد
last_name: آل الشيخ
middle_names: []
temporal:
- start: 1211
  end: 1272
  type: life_span
- start: 1237
  end: 1249
  type: flourished
titles: []
extra_info: []
assistant