Parse this person name:

سامح آل سعود (1420-1497, flourished 1438-1468)
user
first_name: سامح
last_name: آل سعود
middle_names: []
temporal:
- start: 1420
  end: 1497
  type: life_span
- start: 1438
  end: 1468
  type: flourished
titles: []
extra_info: []
assistant