Parse this person name:

Anselm Ditmar Alexander Irmhild Speer, Ravensburg, 1904-1945
user
first_name: Anselm
last_name: Speer
middle_names:
- Ditmar
- Alexander
- Irmhild
temporal:
- start: 1904
  end: 1945
  type: life_span
titles: []
extra_info:
- Ravensburg
assistant