Parse this person name:

Janna Westerbeek (1766-1825, flourished 1785-1799)
user
first_name: Janna
last_name: Westerbeek
middle_names: []
temporal:
- start: 1766
  end: 1825
  type: life_span
- start: 1785
  end: 1799
  type: flourished
titles: []
extra_info: []
assistant