Parse this person name:

René Valette (1226-1301, flourished 1242-1266)
user
first_name: René
last_name: Valette
middle_names: []
temporal:
- start: 1226
  end: 1301
  type: life_span
- start: 1242
  end: 1266
  type: flourished
titles: []
extra_info: []
assistant