Parse this person name:

Helena Alpaidis, 1461-1517, flourished 1477-1505
user
first_name: Helena
last_name: Alpaidis
middle_names: []
temporal:
- start: 1461
  end: 1517
  type: life_span
- start: 1477
  end: 1505
  type: flourished
titles: []
extra_info: []
assistant