Parse this person name:

Natalja Beyer (1411-1459, flourished 1426-1451)
user
first_name: Natalja
last_name: Beyer
middle_names: []
temporal:
- start: 1411
  end: 1459
  type: life_span
- start: 1426
  end: 1451
  type: flourished
titles: []
extra_info: []
assistant