Parse this person name:

Schagen-van den Oever, Youssef F. (Youssef Floris), died 1291
user
first_name: Youssef
last_name: Schagen-van den Oever
middle_names:
- Floris
temporal:
- start: null
  end: 1291
  type: life_span
titles: []
extra_info: []
assistant