Parse this person name:

William Rolland, 1827-1882, flourished 1844-1860
user
first_name: William
last_name: Rolland
middle_names: []
temporal:
- start: 1827
  end: 1882
  type: life_span
- start: 1844
  end: 1860
  type: flourished
titles: []
extra_info: []
assistant