Parse this person name:

Philippe Mercier (1235-1296, flourished 1258-1269)
user
first_name: Philippe
last_name: Mercier
middle_names: []
temporal:
- start: 1235
  end: 1296
  type: life_span
- start: 1258
  end: 1269
  type: flourished
titles: []
extra_info: []
assistant