Parse this person name:

Bernarda Planas (1219-1297, flourished 1242-1259)
user
first_name: Bernarda
last_name: Planas
middle_names: []
temporal:
- start: 1219
  end: 1297
  type: life_span
- start: 1242
  end: 1259
  type: flourished
titles: []
extra_info: []
assistant