Parse this person name:

ممتاز آل بن ظافر (1403-1471, flourished 1421-1451)
user
first_name: ممتاز
last_name: آل بن ظافر
middle_names: []
temporal:
- start: 1403
  end: 1471
  type: life_span
- start: 1421
  end: 1451
  type: flourished
titles: []
extra_info: []
assistant