Parse this person name:

Grazyna Knappe-Jäntsch, 1722-1795, flourished 1748-1763
user
first_name: Grazyna
last_name: Knappe-Jäntsch
middle_names: []
temporal:
- start: 1722
  end: 1795
  type: life_span
- start: 1748
  end: 1763
  type: flourished
titles: []
extra_info: []
assistant