Parse this person name:

Saar Joosten, 1206-1270, flourished 1224-1253
user
first_name: Saar
last_name: Joosten
middle_names: []
temporal:
- start: 1206
  end: 1270
  type: life_span
- start: 1224
  end: 1253
  type: flourished
titles: []
extra_info: []
assistant