Parse this person name:

Gijs van Gemert (1343-1423, flourished 1369-1383)
user
first_name: Gijs
last_name: van Gemert
middle_names: []
temporal:
- start: 1343
  end: 1423
  type: life_span
- start: 1369
  end: 1383
  type: flourished
titles: []
extra_info: []
assistant