Parse this person name:

Leon Gellemeyer, 1316-1366, flourished 1336-1361
user
first_name: Leon
last_name: Gellemeyer
middle_names: []
temporal:
- start: 1316
  end: 1366
  type: life_span
- start: 1336
  end: 1361
  type: flourished
titles: []
extra_info: []
assistant