Parse this person name:

Leon Klotz, 1609-1675, flourished 1629-1648
user
first_name: Leon
last_name: Klotz
middle_names: []
temporal:
- start: 1609
  end: 1675
  type: life_span
- start: 1629
  end: 1648
  type: flourished
titles: []
extra_info: []
assistant