Parse this person name:

Sophie Pölitz'Seifert (1939-2017, flourished 1954-1975)
user
first_name: Sophie
last_name: Pölitz'Seifert
middle_names: []
temporal:
- start: 1939
  end: 2017
  type: life_span
- start: 1954
  end: 1975
  type: flourished
titles: []
extra_info: []
assistant