Parse this person name:

Niels Gerritse (1294-1358, flourished 1315-1343)
user
first_name: Niels
last_name: Gerritse
middle_names: []
temporal:
- start: 1294
  end: 1358
  type: life_span
- start: 1315
  end: 1343
  type: flourished
titles: []
extra_info: []
assistant