Parse this person name:

Seifert Rosemann, Boris Y. F. D. Adelinde, 1860-1922
user
first_name: Boris
last_name: Seifert Rosemann
middle_names:
- Y.
- F.
- D.
- Adelinde
temporal:
- start: 1860
  end: 1922
  type: life_span
titles: []
extra_info: []
assistant