Parse this person name:

Selina Köster (1422-1469, flourished 1438-1463)
user
first_name: Selina
last_name: Köster
middle_names: []
temporal:
- start: 1422
  end: 1469
  type: life_span
- start: 1438
  end: 1463
  type: flourished
titles: []
extra_info: []
assistant