Parse this person name:

Riley de Bont, 1399-1470, flourished 1422-1436
user
first_name: Riley
last_name: de Bont
middle_names: []
temporal:
- start: 1399
  end: 1470
  type: life_span
- start: 1422
  end: 1436
  type: flourished
titles: []
extra_info: []
assistant