Parse this person name:

Gabriella Speer, 1843-1885, flourished 1871-1880
user
first_name: Gabriella
last_name: Speer
middle_names: []
temporal:
- start: 1843
  end: 1885
  type: life_span
- start: 1871
  end: 1880
  type: flourished
titles: []
extra_info: []
assistant