Parse this person name:

Siegrun Sauer'Mühle, 1545-1605, flourished 1564-1574
user
first_name: Siegrun
last_name: Sauer'Mühle
middle_names: []
temporal:
- start: 1545
  end: 1605
  type: life_span
- start: 1564
  end: 1574
  type: flourished
titles: []
extra_info: []
assistant