Parse this person name:

Viola Wesack (1826-1885, flourished 1845-1863)
user
first_name: Viola
last_name: Wesack
middle_names: []
temporal:
- start: 1826
  end: 1885
  type: life_span
- start: 1845
  end: 1863
  type: flourished
titles: []
extra_info: []
assistant