Parse this person name:

Lizzy van de Berg (1297-1364, flourished 1315-1344)
user
first_name: Lizzy
last_name: van de Berg
middle_names: []
temporal:
- start: 1297
  end: 1364
  type: life_span
- start: 1315
  end: 1344
  type: flourished
titles: []
extra_info: []
assistant