Parse this person name:

Lieselotte Wagenknecht (1919-1986, flourished 1946-1961)
user
first_name: Lieselotte
last_name: Wagenknecht
middle_names: []
temporal:
- start: 1919
  end: 1986
  type: life_span
- start: 1946
  end: 1961
  type: flourished
titles: []
extra_info: []
assistant