Parse this person name:

Beyer, Lilian N. Theo Andree., Sömmerda (1897-1939)
user
first_name: Lilian
last_name: Beyer
middle_names:
- N.
- Theo
- Andree
temporal:
- start: 1897
  end: 1939
  type: life_span
titles: []
extra_info:
- Sömmerda
assistant