Parse this person name:

Sander Dircken (1211-1289, flourished 1241-1270)
user
first_name: Sander
last_name: Dircken
middle_names: []
temporal:
- start: 1211
  end: 1289
  type: life_span
- start: 1241
  end: 1270
  type: flourished
titles: []
extra_info: []
assistant