Parse this person name:

Gundel Ruppert (1412-1473, flourished 1434-1453)
user
first_name: Gundel
last_name: Ruppert
middle_names: []
temporal:
- start: 1412
  end: 1473
  type: life_span
- start: 1434
  end: 1453
  type: flourished
titles: []
extra_info: []
assistant