Parse this person name:

فصيل, نصر سفيان., East عدنان (born 1796)
user
first_name: نصر
last_name: فصيل
middle_names:
- سفيان
temporal:
- start: 1796
  end: null
  type: life_span
titles: []
extra_info:
- East عدنان
assistant