Parse this person name:

Werl Arnsberg, van, Lucy G. Y. Oscar U., 1688-1762
user
first_name: Lucy
last_name: Werl Arnsberg, van
middle_names:
- G.
- Y.
- Oscar
- U.
temporal:
- start: 1688
  end: 1762
  type: life_span
titles: []
extra_info: []
assistant