Parse this person name:

Thaddäus Liebelt, 1764-1826, flourished 1783-1800
user
first_name: Thaddäus
last_name: Liebelt
middle_names: []
temporal:
- start: 1764
  end: 1826
  type: life_span
- start: 1783
  end: 1800
  type: flourished
titles: []
extra_info: []
assistant