Parse this person name:

Stefano Ehlert, 1612-1665, flourished 1629-1640
user
first_name: Stefano
last_name: Ehlert
middle_names: []
temporal:
- start: 1612
  end: 1665
  type: life_span
- start: 1629
  end: 1640
  type: flourished
titles: []
extra_info: []
assistant