Parse this person name:

Lucas van Gils (1240-1288, flourished 1260-1283)
user
first_name: Lucas
last_name: van Gils
middle_names: []
temporal:
- start: 1240
  end: 1288
  type: life_span
- start: 1260
  end: 1283
  type: flourished
titles: []
extra_info: []
assistant