Parse this person name:

Ortwin Loos (1204-1250, flourished 1221-1236)
user
first_name: Ortwin
last_name: Loos
middle_names: []
temporal:
- start: 1204
  end: 1250
  type: life_span
- start: 1221
  end: 1236
  type: flourished
titles: []
extra_info: []
assistant