Parse this person name:

Clemens Stey (1324-1395, flourished 1339-1360)
user
first_name: Clemens
last_name: Stey
middle_names: []
temporal:
- start: 1324
  end: 1395
  type: life_span
- start: 1339
  end: 1360
  type: flourished
titles: []
extra_info: []
assistant