Parse this person name:

Merijn van Beaumont, 1671-1720, flourished 1695-1708
user
first_name: Merijn
last_name: van Beaumont
middle_names: []
temporal:
- start: 1671
  end: 1720
  type: life_span
- start: 1695
  end: 1708
  type: flourished
titles: []
extra_info: []
assistant