Parse this person name:

محفوظ آل الشيخ (1681-1726, flourished 1701-1719)
user
first_name: محفوظ
last_name: آل الشيخ
middle_names: []
temporal:
- start: 1681
  end: 1726
  type: life_span
- start: 1701
  end: 1719
  type: flourished
titles: []
extra_info: []
assistant