Parse this person name:

Hans-Gerd Kühnert-Jäntsch (1525-1577, flourished 1553-1572)
user
first_name: Hans-Gerd
last_name: Kühnert-Jäntsch
middle_names: []
temporal:
- start: 1525
  end: 1577
  type: life_span
- start: 1553
  end: 1572
  type: flourished
titles: []
extra_info: []
assistant