Parse this person name:

Jorn de Kok (1387-1457, flourished 1404-1431)
user
first_name: Jorn
last_name: de Kok
middle_names: []
temporal:
- start: 1387
  end: 1457
  type: life_span
- start: 1404
  end: 1431
  type: flourished
titles: []
extra_info: []
assistant