Parse this person name:

Sandor Grete Janko Rosenow von Bayern, ca. 1894-1964
user
first_name: Sandor
last_name: Rosenow
middle_names:
- Grete
- Janko
temporal:
- start: 1894
  end: 1964
  type: life_span
titles: []
extra_info: []
assistant