Parse this person name:

Ottomar Weiß (1208-1250, flourished 1225-1243)
user
first_name: Ottomar
last_name: Weiß
middle_names: []
temporal:
- start: 1208
  end: 1250
  type: life_span
- start: 1225
  end: 1243
  type: flourished
titles: []
extra_info: []
assistant