Parse this person name:

Beau M. (Beau Mick) Werl-Arnsberg, van, 1866-1888
user
first_name: Beau
last_name: Werl-Arnsberg, van
middle_names:
- Mick
temporal:
- start: 1866
  end: 1888
  type: life_span
titles: []
extra_info: []
assistant