Parse this person name:

Ruben van Stralen (1311-1379, flourished 1339-1363)
user
first_name: Ruben
last_name: van Stralen
middle_names: []
temporal:
- start: 1311
  end: 1379
  type: life_span
- start: 1339
  end: 1363
  type: flourished
titles: []
extra_info: []
assistant