Parse this person name:

Gerda Plath, 1228-1306, flourished 1249-1277
user
first_name: Gerda
last_name: Plath
middle_names: []
temporal:
- start: 1228
  end: 1306
  type: life_span
- start: 1249
  end: 1277
  type: flourished
titles: []
extra_info: []
assistant