Parse this person name:

Bruder-Graf, Gundi M. Y. Kerstin Kirstin M. Y. Kerstin Kirstin.
user
first_name: Gundi
last_name: Bruder-Graf
middle_names:
- M.
- Y.
- Kerstin
- Kirstin
temporal: []
titles: []
extra_info: []
assistant