Parse this person name:

الدباغ العليان, سهوان مرسال يارا L. F., died 1256
user
first_name: سهوان
last_name: الدباغ العليان
middle_names:
- مرسال
- يارا
- L.
- F.
temporal:
- start: null
  end: 1256
  type: life_span
titles: []
extra_info: []
assistant