Parse this person name:

Jolie B. B. Julius Luna Matthias van Saksen, -1620
user
first_name: Jolie
last_name: van Saksen
middle_names:
- B.
- B.
- Julius
- Luna
- Matthias
temporal:
- start: null
  end: 1620
  type: life_span
titles: []
extra_info: []
assistant