Parse this person name:

Pärtzelt Fiebig, Gertrud Fridolin Hubertine Q. Peggy Leonhard, 1921-1977
user
first_name: Gertrud
last_name: Pärtzelt Fiebig
middle_names:
- Fridolin
- Hubertine
- Q.
- Peggy
- Leonhard
temporal:
- start: 1921
  end: 1977
  type: life_span
titles: []
extra_info: []
assistant