Parse this person name:

Adler, Viktor Z. X. Sven E.., Bad Freienwalde (1421-1469)
user
first_name: Viktor
last_name: Adler
middle_names:
- Z.
- X.
- Sven
- E.
temporal:
- start: 1421
  end: 1469
  type: life_span
titles: []
extra_info:
- Bad Freienwalde
assistant