Parse this person name:

Vigo van der Berg, 1726-1788, flourished 1749-1774
user
first_name: Vigo
last_name: van der Berg
middle_names: []
temporal:
- start: 1726
  end: 1788
  type: life_span
- start: 1749
  end: 1774
  type: flourished
titles: []
extra_info: []
assistant