Parse this person name:

مهنا-آل بن ظافر, عمر (flourished 1828-1850), flourished 1828-1850
user
first_name: عمر
last_name: مهنا-آل بن ظافر
middle_names: []
temporal:
- start: 1828
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant