Parse this person name:

Walentina Peukert-Schäfer (1843-1863), 1843-1863
user
first_name: Walentina
last_name: Peukert-Schäfer
middle_names: []
temporal:
- start: 1843
  end: 1863
  type: life_span
titles: []
extra_info: []
assistant