Parse this person name:

Marciano Pedrero (1265-1311, flourished 1287-1304)
user
first_name: Marciano
last_name: Pedrero
middle_names: []
temporal:
- start: 1265
  end: 1311
  type: life_span
- start: 1287
  end: 1304
  type: flourished
titles: []
extra_info: []
assistant