Parse this person name:

Severo Lumbreras (1798-1840, flourished 1821-1834)
user
first_name: Severo
last_name: Lumbreras
middle_names: []
temporal:
- start: 1798
  end: 1840
  type: life_span
- start: 1821
  end: 1834
  type: flourished
titles: []
extra_info: []
assistant