Parse this person name:

Heinz-Georg Koch II'Hentschel, 1929-2001, 1929-2001
user
first_name: Heinz-Georg
last_name: Koch II'Hentschel
middle_names: []
temporal:
- start: 1929
  end: 2001
  type: life_span
titles: []
extra_info: []
assistant