Parse this person name:

Severino Sacristán (1310-1354, flourished 1340-1349)
user
first_name: Severino
last_name: Sacristán
middle_names: []
temporal:
- start: 1310
  end: 1354
  type: life_span
- start: 1340
  end: 1349
  type: flourished
titles: []
extra_info: []
assistant