Parse this person name:

Maurits van de Ven (1949-1996, flourished 1974-1991)
user
first_name: Maurits
last_name: van de Ven
middle_names: []
temporal:
- start: 1949
  end: 1996
  type: life_span
- start: 1974
  end: 1991
  type: flourished
titles: []
extra_info: []
assistant