Parse this person name:

Sibilla Magdalene Mahmut I. Theres Katja Seifert, Uelzen, 1878-1934
user
first_name: Sibilla
last_name: Seifert
middle_names:
- Magdalene
- Mahmut
- I.
- Theres
- Katja
temporal:
- start: 1878
  end: 1934
  type: life_span
titles: []
extra_info:
- Uelzen
assistant