Parse this person name:

Aleksandar Keudel, 1829-1880, flourished 1850-1863
user
first_name: Aleksandar
last_name: Keudel
middle_names: []
temporal:
- start: 1829
  end: 1880
  type: life_span
- start: 1850
  end: 1863
  type: flourished
titles: []
extra_info: []
assistant