Parse this person name:

Sprong Wouters, Bilal Julian R. Giel B., 1945-1968
user
first_name: Bilal
last_name: Sprong Wouters
middle_names:
- Julian
- R.
- Giel
- B.
temporal:
- start: 1945
  end: 1968
  type: life_span
titles: []
extra_info: []
assistant