Parse this person name:

سعد آل بن لافي (1704-1748, flourished 1726-1743)
user
first_name: سعد
last_name: آل بن لافي
middle_names: []
temporal:
- start: 1704
  end: 1748
  type: life_span
- start: 1726
  end: 1743
  type: flourished
titles: []
extra_info: []
assistant