Parse this person name:

سعد آل سعود (1203-1277, flourished 1228-1252)
user
first_name: سعد
last_name: آل سعود
middle_names: []
temporal:
- start: 1203
  end: 1277
  type: life_span
- start: 1228
  end: 1252
  type: flourished
titles: []
extra_info: []
assistant