Parse this person name:

حجار آل جعفر, علاء J. عاتب, died 1832
user
first_name: علاء
last_name: حجار آل جعفر
middle_names:
- J.
- عاتب
temporal:
- start: null
  end: 1832
  type: life_span
titles: []
extra_info: []
assistant