Parse this person name:

Waldtraut Gutknecht (1783-1849, flourished 1811-1824)
user
first_name: Waldtraut
last_name: Gutknecht
middle_names: []
temporal:
- start: 1783
  end: 1849
  type: life_span
- start: 1811
  end: 1824
  type: flourished
titles: []
extra_info: []
assistant