Parse this person name:

Gerlach Dowerg, Horst-Günter Heimo, born 1674
user
first_name: Horst-Günter
last_name: Gerlach Dowerg
middle_names:
- Heimo
temporal:
- start: 1674
  end: null
  type: life_span
titles: []
extra_info: []
assistant