Parse this person name:

Benthin-Mitschke, Martina O. (Martina Oscar), 1904-1953
user
first_name: Martina
last_name: Benthin-Mitschke
middle_names:
- Oscar
temporal:
- start: 1904
  end: 1953
  type: life_span
titles: []
extra_info: []
assistant