Parse this person name:

Charlotte de Keijser, 1821-1898, flourished 1848-1872
user
first_name: Charlotte
last_name: de Keijser
middle_names: []
temporal:
- start: 1821
  end: 1898
  type: life_span
- start: 1848
  end: 1872
  type: flourished
titles: []
extra_info: []
assistant