Parse this person name:

مُخيمر آل عطفة (1427-1473, flourished 1448-1467)
user
first_name: مُخيمر
last_name: آل عطفة
middle_names: []
temporal:
- start: 1427
  end: 1473
  type: life_span
- start: 1448
  end: 1467
  type: flourished
titles: []
extra_info: []
assistant