Parse this person name:

Mangold Schenk, Mercedes V. Paul-Gerhard Oxana M. Gundi, born 1728
user
first_name: Mercedes
last_name: Mangold Schenk
middle_names:
- V.
- Paul-Gerhard
- Oxana
- M.
- Gundi
temporal:
- start: 1728
  end: null
  type: life_span
titles: []
extra_info: []
assistant