Parse this person name:

Igor Krebs (1408-1483, flourished 1427-1446)
user
first_name: Igor
last_name: Krebs
middle_names: []
temporal:
- start: 1408
  end: 1483
  type: life_span
- start: 1427
  end: 1446
  type: flourished
titles: []
extra_info: []
assistant