Parse this person name:

Milan van Dagsburg (1825-1902, flourished 1841-1863)
user
first_name: Milan
last_name: van Dagsburg
middle_names: []
temporal:
- start: 1825
  end: 1902
  type: life_span
- start: 1841
  end: 1863
  type: flourished
titles: []
extra_info: []
assistant