Parse this person name:

Cas van Riet-van Duyvenvoorde, 1620-1676, flourished 1639-1656
user
first_name: Cas
last_name: van Riet-van Duyvenvoorde
middle_names: []
temporal:
- start: 1620
  end: 1676
  type: life_span
- start: 1639
  end: 1656
  type: flourished
titles: []
extra_info: []
assistant