Parse this person name:

Ottokar Hein, 1207-1253, flourished 1233-1248
user
first_name: Ottokar
last_name: Hein
middle_names: []
temporal:
- start: 1207
  end: 1253
  type: life_span
- start: 1233
  end: 1248
  type: flourished
titles: []
extra_info: []
assistant