Parse this person name:

Pieper Butte, Engelbert Elenore F., 1799-1865
user
first_name: Engelbert
last_name: Pieper Butte
middle_names:
- Elenore
- F.
temporal:
- start: 1799
  end: 1865
  type: life_span
titles: []
extra_info: []
assistant