Parse this person name:

Dunja Stumpf, 1395-1455, flourished 1411-1432
user
first_name: Dunja
last_name: Stumpf
middle_names: []
temporal:
- start: 1395
  end: 1455
  type: life_span
- start: 1411
  end: 1432
  type: flourished
titles: []
extra_info: []
assistant