Parse this person name:

Keano van den Bosch (1819-1897, flourished 1845-1870)
user
first_name: Keano
last_name: van den Bosch
middle_names: []
temporal:
- start: 1819
  end: 1897
  type: life_span
- start: 1845
  end: 1870
  type: flourished
titles: []
extra_info: []
assistant