Parse this person name:

Ernst-August Krebs, 1618-1689, flourished 1643-1671
user
first_name: Ernst-August
last_name: Krebs
middle_names: []
temporal:
- start: 1618
  end: 1689
  type: life_span
- start: 1643
  end: 1671
  type: flourished
titles: []
extra_info: []
assistant