Parse this person name:

Johann Keudel (1623-1679, flourished 1638-1660)
user
first_name: Johann
last_name: Keudel
middle_names: []
temporal:
- start: 1623
  end: 1679
  type: life_span
- start: 1638
  end: 1660
  type: flourished
titles: []
extra_info: []
assistant