Parse this person name:

Katrin Briemer, 1246-1295, flourished 1274-1290
user
first_name: Katrin
last_name: Briemer
middle_names: []
temporal:
- start: 1246
  end: 1295
  type: life_span
- start: 1274
  end: 1290
  type: flourished
titles: []
extra_info: []
assistant