Parse this person name:

Konstanze Niemeier, 1779-1845, flourished 1807-1830
user
first_name: Konstanze
last_name: Niemeier
middle_names: []
temporal:
- start: 1779
  end: 1845
  type: life_span
- start: 1807
  end: 1830
  type: flourished
titles: []
extra_info: []
assistant