Parse this person name:

Bill Martin (1256-1308, flourished 1283-1295)
user
first_name: Bill
last_name: Martin
middle_names: []
temporal:
- start: 1256
  end: 1308
  type: life_span
- start: 1283
  end: 1295
  type: flourished
titles: []
extra_info: []
assistant