Parse this person name:

Emily Vandenbergh, 1349-1421, flourished 1375-1404
user
first_name: Emily
last_name: Vandenbergh
middle_names: []
temporal:
- start: 1349
  end: 1421
  type: life_span
- start: 1375
  end: 1404
  type: flourished
titles: []
extra_info: []
assistant