Parse this person name:

Giel van Bernicia-Nijman, flourished 1400-1434, flourished 1400-1434
user
first_name: Giel
last_name: van Bernicia-Nijman
middle_names: []
temporal:
- start: 1400
  end: 1434
  type: flourished
titles: []
extra_info: []
assistant