Parse this person name:

Mariele Pölitz'Siering (1225-1290, flourished 1253-1280)
user
first_name: Mariele
last_name: Pölitz'Siering
middle_names: []
temporal:
- start: 1225
  end: 1290
  type: life_span
- start: 1253
  end: 1280
  type: flourished
titles: []
extra_info: []
assistant