Parse this person name:

Alice Claudine Boulanger, Lefebvre-sur-Becker, died 1947
user
first_name: Alice
last_name: Boulanger
middle_names:
- Claudine
temporal:
- start: null
  end: 1947
  type: life_span
titles: []
extra_info:
- Lefebvre-sur-Becker
assistant