Parse this person name:

Tristan Lebreton, 1229-1296, flourished 1248-1262
user
first_name: Tristan
last_name: Lebreton
middle_names: []
temporal:
- start: 1229
  end: 1296
  type: life_span
- start: 1248
  end: 1262
  type: flourished
titles: []
extra_info: []
assistant