Parse this person name:

Kaspar Segebahn (1409-1456, flourished 1430-1451)
user
first_name: Kaspar
last_name: Segebahn
middle_names: []
temporal:
- start: 1409
  end: 1456
  type: life_span
- start: 1430
  end: 1451
  type: flourished
titles: []
extra_info: []
assistant