Parse this person name:

Senna van Dokkum (1678-1725, flourished 1701-1716)
user
first_name: Senna
last_name: van Dokkum
middle_names: []
temporal:
- start: 1678
  end: 1725
  type: life_span
- start: 1701
  end: 1716
  type: flourished
titles: []
extra_info: []
assistant