Parse this person name:

Norbert Dowerg, 1341-1398, flourished 1361-1379
user
first_name: Norbert
last_name: Dowerg
middle_names: []
temporal:
- start: 1341
  end: 1398
  type: life_span
- start: 1361
  end: 1379
  type: flourished
titles: []
extra_info: []
assistant