Parse this person name:

Kreszentia Köster, 1338-1385, flourished 1360-1380
user
first_name: Kreszentia
last_name: Köster
middle_names: []
temporal:
- start: 1338
  end: 1385
  type: life_span
- start: 1360
  end: 1380
  type: flourished
titles: []
extra_info: []
assistant