Parse this person name:

جعفر R. العجلان, عقيلchester, 1571-1594
user
first_name: جعفر
last_name: العجلان
middle_names:
- R.
temporal:
- start: 1571
  end: 1594
  type: life_span
titles: []
extra_info:
- عقيلchester
assistant