Parse this person name:

Leonhard Rosemann, 1224-1302, flourished 1245-1261
user
first_name: Leonhard
last_name: Rosemann
middle_names: []
temporal:
- start: 1224
  end: 1302
  type: life_span
- start: 1245
  end: 1261
  type: flourished
titles: []
extra_info: []
assistant