Parse this person name:

Luitgard Stiebitz, 1531-1582, flourished 1559-1569
user
first_name: Luitgard
last_name: Stiebitz
middle_names: []
temporal:
- start: 1531
  end: 1582
  type: life_span
- start: 1559
  end: 1569
  type: flourished
titles: []
extra_info: []
assistant