Parse this person name:

Sepp Huhn, 1411-1489, flourished 1435-1454
user
first_name: Sepp
last_name: Huhn
middle_names: []
temporal:
- start: 1411
  end: 1489
  type: life_span
- start: 1435
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant