Parse this person name:

Megan van den Berg (1312-1358, flourished 1330-1344)
user
first_name: Megan
last_name: van den Berg
middle_names: []
temporal:
- start: 1312
  end: 1358
  type: life_span
- start: 1330
  end: 1344
  type: flourished
titles: []
extra_info: []
assistant