Parse this person name:

Eimer Roskoth, Nelli Sergej Marcella Grete Othmar, born 1901
user
first_name: Nelli
last_name: Eimer Roskoth
middle_names:
- Sergej
- Marcella
- Grete
- Othmar
temporal:
- start: 1901
  end: null
  type: life_span
titles: []
extra_info: []
assistant