Parse this person name:

Carl-Heinz Dowerg, 1635-1691, flourished 1660-1674
user
first_name: Carl-Heinz
last_name: Dowerg
middle_names: []
temporal:
- start: 1635
  end: 1691
  type: life_span
- start: 1660
  end: 1674
  type: flourished
titles: []
extra_info: []
assistant