Parse this person name:

Willem le Gallen, 1848-1913, flourished 1878-1894
user
first_name: Willem
last_name: le Gallen
middle_names: []
temporal:
- start: 1848
  end: 1913
  type: life_span
- start: 1878
  end: 1894
  type: flourished
titles: []
extra_info: []
assistant