Parse this person name:

Allegra Briccialdi, 1867-1942, flourished 1891-1908
user
first_name: Allegra
last_name: Briccialdi
middle_names: []
temporal:
- start: 1867
  end: 1942
  type: life_span
- start: 1891
  end: 1908
  type: flourished
titles: []
extra_info: []
assistant