Parse this person name:

Raf van den Nyeuwenhuysen, 1206-1248, flourished 1225-1239
user
first_name: Raf
last_name: van den Nyeuwenhuysen
middle_names: []
temporal:
- start: 1206
  end: 1248
  type: life_span
- start: 1225
  end: 1239
  type: flourished
titles: []
extra_info: []
assistant