Parse this person name:

Pepijn de Roos (1215-1272, flourished 1235-1264)
user
first_name: Pepijn
last_name: de Roos
middle_names: []
temporal:
- start: 1215
  end: 1272
  type: life_span
- start: 1235
  end: 1264
  type: flourished
titles: []
extra_info: []
assistant