Parse this person name:

Ben de Boer, 1415-1465, flourished 1431-1460
user
first_name: Ben
last_name: de Boer
middle_names: []
temporal:
- start: 1415
  end: 1465
  type: life_span
- start: 1431
  end: 1460
  type: flourished
titles: []
extra_info: []
assistant