Parse this person name:

Jerry Kennedy-Duncan (1428-1478, flourished 1457-1473)
user
first_name: Jerry
last_name: Kennedy-Duncan
middle_names: []
temporal:
- start: 1428
  end: 1478
  type: life_span
- start: 1457
  end: 1473
  type: flourished
titles: []
extra_info: []
assistant