Parse this person name:

Gianni Vergerio (1825-1878, flourished 1841-1853)
user
first_name: Gianni
last_name: Vergerio
middle_names: []
temporal:
- start: 1825
  end: 1878
  type: life_span
- start: 1841
  end: 1853
  type: flourished
titles: []
extra_info: []
assistant