Parse this person name:

Karen Johnson (1483-1551, flourished 1509-1526)
user
first_name: Karen
last_name: Johnson
middle_names: []
temporal:
- start: 1483
  end: 1551
  type: life_span
- start: 1509
  end: 1526
  type: flourished
titles: []
extra_info: []
assistant