Parse this person name:

Vera van der Horst (1322-1393, flourished 1340-1370)
user
first_name: Vera
last_name: van der Horst
middle_names: []
temporal:
- start: 1322
  end: 1393
  type: life_span
- start: 1340
  end: 1370
  type: flourished
titles: []
extra_info: []
assistant