Parse this person name:

Dagobert Matthäi (1236-1279, flourished 1260-1274)
user
first_name: Dagobert
last_name: Matthäi
middle_names: []
temporal:
- start: 1236
  end: 1279
  type: life_span
- start: 1260
  end: 1274
  type: flourished
titles: []
extra_info: []
assistant