Parse this person name:

Sergius Toscani, 1289-1348, flourished 1319-1340
user
first_name: Sergius
last_name: Toscani
middle_names: []
temporal:
- start: 1289
  end: 1348
  type: life_span
- start: 1319
  end: 1340
  type: flourished
titles: []
extra_info: []
assistant