Parse this person name:

Dewi S. (Dewi Sam) Wilcken-Welf, 1925-1982
user
first_name: Dewi
last_name: Wilcken-Welf
middle_names:
- Sam
temporal:
- start: 1925
  end: 1982
  type: life_span
titles: []
extra_info: []
assistant