Parse this person name:

Rek, Keano Gijs Jack Amira F.., Oldeholtwolde (1209-1253)
user
first_name: Keano
last_name: Rek
middle_names:
- Gijs
- Jack
- Amira
- F.
temporal:
- start: 1209
  end: 1253
  type: life_span
titles: []
extra_info:
- Oldeholtwolde
assistant