Parse this person name:

غطفان آل جعفر, 1769-1840, flourished 1792-1821
user
first_name: غطفان
last_name: آل جعفر
middle_names: []
temporal:
- start: 1769
  end: 1840
  type: life_span
- start: 1792
  end: 1821
  type: flourished
titles: []
extra_info: []
assistant