Parse this person name:

Berat Welf-Bertho (1365-1444, flourished 1393-1410)
user
first_name: Berat
last_name: Welf-Bertho
middle_names: []
temporal:
- start: 1365
  end: 1444
  type: life_span
- start: 1393
  end: 1410
  type: flourished
titles: []
extra_info: []
assistant