Parse this person name:

Senna Marceron (1296-1369, flourished 1326-1347)
user
first_name: Senna
last_name: Marceron
middle_names: []
temporal:
- start: 1296
  end: 1369
  type: life_span
- start: 1326
  end: 1347
  type: flourished
titles: []
extra_info: []
assistant