Parse this person name:

Charlotte Gepa van Bourgondië (1223-1271, flourished 1250-1266)
user
first_name: Charlotte
last_name: Gepa van Bourgondië
middle_names: []
temporal:
- start: 1223
  end: 1271
  type: life_span
- start: 1250
  end: 1266
  type: flourished
titles: []
extra_info: []
assistant