Parse this person name:

عبد الغني آل العسكري (1820-1873, flourished 1844-1854)
user
first_name: عبد الغني
last_name: آل العسكري
middle_names: []
temporal:
- start: 1820
  end: 1873
  type: life_span
- start: 1844
  end: 1854
  type: flourished
titles: []
extra_info: []
assistant