Parse this person name:

Christopher Osborn, 1416-1492, flourished 1431-1452
user
first_name: Christopher
last_name: Osborn
middle_names: []
temporal:
- start: 1416
  end: 1492
  type: life_span
- start: 1431
  end: 1452
  type: flourished
titles: []
extra_info: []
assistant