Parse this person name:

van Velzen van Stralen, Floor Britt P. Ayden, 1928-1988
user
first_name: Floor
last_name: van Velzen van Stralen
middle_names:
- Britt
- P.
- Ayden
temporal:
- start: 1928
  end: 1988
  type: life_span
titles: []
extra_info: []
assistant