Parse this person name:

Seifert Christoph, Gitte Aysel Margaretha Maxim L., 1216-1246
user
first_name: Gitte
last_name: Seifert Christoph
middle_names:
- Aysel
- Margaretha
- Maxim
- L.
temporal:
- start: 1216
  end: 1246
  type: life_span
titles: []
extra_info: []
assistant