Parse this person name:

Wladimir Dowerg (1352-1426, flourished 1368-1396)
user
first_name: Wladimir
last_name: Dowerg
middle_names: []
temporal:
- start: 1352
  end: 1426
  type: life_span
- start: 1368
  end: 1396
  type: flourished
titles: []
extra_info: []
assistant