Parse this person name:

Frederique de Keijser, 1807-1853, flourished 1836-1848
user
first_name: Frederique
last_name: de Keijser
middle_names: []
temporal:
- start: 1807
  end: 1853
  type: life_span
- start: 1836
  end: 1848
  type: flourished
titles: []
extra_info: []
assistant