Parse this person name:

Gotthard Kobelt, Ingetraud Hella U. Amelie, 1444-1521
user
first_name: Ingetraud
last_name: Gotthard Kobelt
middle_names:
- Hella
- U.
- Amelie
temporal:
- start: 1444
  end: 1521
  type: life_span
titles: []
extra_info: []
assistant