Parse this person name:

Bertrán Castejón, Desiderio F. K., 1755-1797
user
first_name: Desiderio
last_name: Bertrán Castejón
middle_names:
- F.
- K.
temporal:
- start: 1755
  end: 1797
  type: life_span
titles: []
extra_info: []
assistant