Parse this person name:

Elias van Laon, 1859-1925, flourished 1878-1907
user
first_name: Elias
last_name: van Laon
middle_names: []
temporal:
- start: 1859
  end: 1925
  type: life_span
- start: 1878
  end: 1907
  type: flourished
titles: []
extra_info: []
assistant