Parse this person name:

Eleuterio Arregui (1833-1876, flourished 1850-1860)
user
first_name: Eleuterio
last_name: Arregui
middle_names: []
temporal:
- start: 1833
  end: 1876
  type: life_span
- start: 1850
  end: 1860
  type: flourished
titles: []
extra_info: []
assistant