Parse this person name:

Johannes Stuivenberg (1230-1300, flourished 1246-1266)
user
first_name: Johannes
last_name: Stuivenberg
middle_names: []
temporal:
- start: 1230
  end: 1300
  type: life_span
- start: 1246
  end: 1266
  type: flourished
titles: []
extra_info: []
assistant