Parse this person name:

Wessel Gellemeyer, 1220-1298, flourished 1245-1264
user
first_name: Wessel
last_name: Gellemeyer
middle_names: []
temporal:
- start: 1220
  end: 1298
  type: life_span
- start: 1245
  end: 1264
  type: flourished
titles: []
extra_info: []
assistant