Parse this person name:

Olga M. (Olga Marvin) Reichmann-Schenk, 1818-1873
user
first_name: Olga
last_name: Reichmann-Schenk
middle_names:
- Marvin
temporal:
- start: 1818
  end: 1873
  type: life_span
titles: []
extra_info: []
assistant