Parse this person name:

Ehrenfried Sorgatz, 1948-2007, flourished 1970-1991
user
first_name: Ehrenfried
last_name: Sorgatz
middle_names: []
temporal:
- start: 1948
  end: 2007
  type: life_span
- start: 1970
  end: 1991
  type: flourished
titles: []
extra_info: []
assistant