Parse this person name:

Eufemia Heras (1333-1377, flourished 1350-1372)
user
first_name: Eufemia
last_name: Heras
middle_names: []
temporal:
- start: 1333
  end: 1377
  type: life_span
- start: 1350
  end: 1372
  type: flourished
titles: []
extra_info: []
assistant