Parse this person name:

Dittmar Kreusel (1216-1259, flourished 1239-1254)
user
first_name: Dittmar
last_name: Kreusel
middle_names: []
temporal:
- start: 1216
  end: 1259
  type: life_span
- start: 1239
  end: 1254
  type: flourished
titles: []
extra_info: []
assistant