Parse this person name:

Karen Brown, 1386-1465, flourished 1414-1438
user
first_name: Karen
last_name: Brown
middle_names: []
temporal:
- start: 1386
  end: 1465
  type: life_span
- start: 1414
  end: 1438
  type: flourished
titles: []
extra_info: []
assistant