Parse this person name:

Alexandra Jüttner, 1481-1548, flourished 1511-1539
user
first_name: Alexandra
last_name: Jüttner
middle_names: []
temporal:
- start: 1481
  end: 1548
  type: life_span
- start: 1511
  end: 1539
  type: flourished
titles: []
extra_info: []
assistant