Parse this person name:

Cetin Mentzel, 1260-1304, flourished 1290-1299
user
first_name: Cetin
last_name: Mentzel
middle_names: []
temporal:
- start: 1260
  end: 1304
  type: life_span
- start: 1290
  end: 1299
  type: flourished
titles: []
extra_info: []
assistant