Parse this person name:

Gerhart Löwer'Girschner, 1393-1446, flourished 1414-1441
user
first_name: Gerhart
last_name: Löwer'Girschner
middle_names: []
temporal:
- start: 1393
  end: 1446
  type: life_span
- start: 1414
  end: 1441
  type: flourished
titles: []
extra_info: []
assistant