Parse this person name:

Helena Everde (1926-1969, flourished 1942-1964)
user
first_name: Helena
last_name: Everde
middle_names: []
temporal:
- start: 1926
  end: 1969
  type: life_span
- start: 1942
  end: 1964
  type: flourished
titles: []
extra_info: []
assistant