Parse this person name:

van Duivenvoorde van der Spaendonc, Dion, born 1794
user
first_name: Dion
last_name: van Duivenvoorde van der Spaendonc
middle_names: []
temporal:
- start: 1794
  end: null
  type: life_span
titles: []
extra_info: []
assistant