Parse this person name:

Sean Underwood-Martinez (1796-1859, flourished 1825-1840)
user
first_name: Sean
last_name: Underwood-Martinez
middle_names: []
temporal:
- start: 1796
  end: 1859
  type: life_span
- start: 1825
  end: 1840
  type: flourished
titles: []
extra_info: []
assistant