Parse this person name:

Willem Nek, 1813-1878, flourished 1843-1873
user
first_name: Willem
last_name: Nek
middle_names: []
temporal:
- start: 1813
  end: 1878
  type: life_span
- start: 1843
  end: 1873
  type: flourished
titles: []
extra_info: []
assistant