Parse this person name:

Frederique van Leuven (1392-1468, flourished 1418-1437)
user
first_name: Frederique
last_name: van Leuven
middle_names: []
temporal:
- start: 1392
  end: 1468
  type: life_span
- start: 1418
  end: 1437
  type: flourished
titles: []
extra_info: []
assistant