Parse this person name:

Kallert, Bertold Claudia Manuel Alexandros George., Pfaffenhofen an der Ilm (1806-1830)
user
first_name: Bertold
last_name: Kallert
middle_names:
- Claudia
- Manuel
- Alexandros
- George
temporal:
- start: 1806
  end: 1830
  type: life_span
titles: []
extra_info:
- Pfaffenhofen an der Ilm
assistant