Parse this person name:

Lidwina Hellwig (1921-1978, flourished 1949-1973)
user
first_name: Lidwina
last_name: Hellwig
middle_names: []
temporal:
- start: 1921
  end: 1978
  type: life_span
- start: 1949
  end: 1973
  type: flourished
titles: []
extra_info: []
assistant