Parse this person name:

الحجار بن لادن, مقدام J. راجح, died 1387
user
first_name: مقدام
last_name: الحجار بن لادن
middle_names:
- J.
- راجح
temporal:
- start: null
  end: 1387
  type: life_span
titles: []
extra_info: []
assistant