Parse this person name:

Dietmar Schottin, 1204-1254, flourished 1228-1243
user
first_name: Dietmar
last_name: Schottin
middle_names: []
temporal:
- start: 1204
  end: 1254
  type: life_span
- start: 1228
  end: 1243
  type: flourished
titles: []
extra_info: []
assistant