Parse this person name:

Boris Otte, 1414-1491, flourished 1431-1461
user
first_name: Boris
last_name: Otte
middle_names: []
temporal:
- start: 1414
  end: 1491
  type: life_span
- start: 1431
  end: 1461
  type: flourished
titles: []
extra_info: []
assistant