Parse this person name:

Karl-Heinz Schlosser-Seifert (1731-1807, flourished 1758-1776)
user
first_name: Karl-Heinz
last_name: Schlosser-Seifert
middle_names: []
temporal:
- start: 1731
  end: 1807
  type: life_span
- start: 1758
  end: 1776
  type: flourished
titles: []
extra_info: []
assistant