Parse this person name:

Henry Brown, 1712-1779, flourished 1731-1761
user
first_name: Henry
last_name: Brown
middle_names: []
temporal:
- start: 1712
  end: 1779
  type: life_span
- start: 1731
  end: 1761
  type: flourished
titles: []
extra_info: []
assistant