Parse this person name:

Livia Marsili (1226-1291, flourished 1243-1269)
user
first_name: Livia
last_name: Marsili
middle_names: []
temporal:
- start: 1226
  end: 1291
  type: life_span
- start: 1243
  end: 1269
  type: flourished
titles: []
extra_info: []
assistant