Parse this person name:

Leonhard Otto (1223-1293, flourished 1244-1255)
user
first_name: Leonhard
last_name: Otto
middle_names: []
temporal:
- start: 1223
  end: 1293
  type: life_span
- start: 1244
  end: 1255
  type: flourished
titles: []
extra_info: []
assistant