Parse this person name:

Senna van Verdun (1829-1904, flourished 1859-1885)
user
first_name: Senna
last_name: van Verdun
middle_names: []
temporal:
- start: 1829
  end: 1904
  type: life_span
- start: 1859
  end: 1885
  type: flourished
titles: []
extra_info: []
assistant