Parse this person name:

Ehrenfried Franke (1748-1807, flourished 1768-1781)
user
first_name: Ehrenfried
last_name: Franke
middle_names: []
temporal:
- start: 1748
  end: 1807
  type: life_span
- start: 1768
  end: 1781
  type: flourished
titles: []
extra_info: []
assistant