Parse this person name:

Valerij Hofmann (1388-1434, flourished 1407-1429)
user
first_name: Valerij
last_name: Hofmann
middle_names: []
temporal:
- start: 1388
  end: 1434
  type: life_span
- start: 1407
  end: 1429
  type: flourished
titles: []
extra_info: []
assistant