Parse this person name:

Luuk Kremer, 1347-1425, flourished 1377-1394
user
first_name: Luuk
last_name: Kremer
middle_names: []
temporal:
- start: 1347
  end: 1425
  type: life_span
- start: 1377
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant