Parse this person name:

Gertraut Mitschke (1623-1672, flourished 1644-1667)
user
first_name: Gertraut
last_name: Mitschke
middle_names: []
temporal:
- start: 1623
  end: 1672
  type: life_span
- start: 1644
  end: 1667
  type: flourished
titles: []
extra_info: []
assistant