Parse this person name:

Karlijn Ketting (1200-1256, flourished 1220-1250)
user
first_name: Karlijn
last_name: Ketting
middle_names: []
temporal:
- start: 1200
  end: 1256
  type: life_span
- start: 1220
  end: 1250
  type: flourished
titles: []
extra_info: []
assistant