Parse this person name:

Floor van Gelder (1374-1449, flourished 1395-1419)
user
first_name: Floor
last_name: van Gelder
middle_names: []
temporal:
- start: 1374
  end: 1449
  type: life_span
- start: 1395
  end: 1419
  type: flourished
titles: []
extra_info: []
assistant