Parse this person name:

Schaaf Rosemann, Stilla O. Nermin K. L. X., died 1491
user
first_name: Stilla
last_name: Schaaf Rosemann
middle_names:
- O.
- Nermin
- K.
- L.
- X.
temporal:
- start: null
  end: 1491
  type: life_span
titles: []
extra_info: []
assistant