Parse this person name:

Bram Willemsen, 1699-1771, flourished 1729-1748
user
first_name: Bram
last_name: Willemsen
middle_names: []
temporal:
- start: 1699
  end: 1771
  type: life_span
- start: 1729
  end: 1748
  type: flourished
titles: []
extra_info: []
assistant