Parse this person name:

Nienke van Kusen, 1819-1888, flourished 1846-1857
user
first_name: Nienke
last_name: van Kusen
middle_names: []
temporal:
- start: 1819
  end: 1888
  type: life_span
- start: 1846
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant