Parse this person name:

Atenulf Ciampi, 1427-1492, flourished 1453-1476
user
first_name: Atenulf
last_name: Ciampi
middle_names: []
temporal:
- start: 1427
  end: 1492
  type: life_span
- start: 1453
  end: 1476
  type: flourished
titles: []
extra_info: []
assistant