Parse this person name:

Heinz-Peter Graf-Aumann, 1812-1873, flourished 1839-1855
user
first_name: Heinz-Peter
last_name: Graf-Aumann
middle_names: []
temporal:
- start: 1812
  end: 1873
  type: life_span
- start: 1839
  end: 1855
  type: flourished
titles: []
extra_info: []
assistant