Parse this person name:

Sylvia Sinisi (1776-1840, flourished 1791-1819)
user
first_name: Sylvia
last_name: Sinisi
middle_names: []
temporal:
- start: 1776
  end: 1840
  type: life_span
- start: 1791
  end: 1819
  type: flourished
titles: []
extra_info: []
assistant