Parse this person name:

Ivan Uphuis (1223-1298, flourished 1243-1265)
user
first_name: Ivan
last_name: Uphuis
middle_names: []
temporal:
- start: 1223
  end: 1298
  type: life_span
- start: 1243
  end: 1265
  type: flourished
titles: []
extra_info: []
assistant