Parse this person name:

Sylvie Rousseau, 1216-1262, flourished 1242-1257
user
first_name: Sylvie
last_name: Rousseau
middle_names: []
temporal:
- start: 1216
  end: 1262
  type: life_span
- start: 1242
  end: 1257
  type: flourished
titles: []
extra_info: []
assistant