Parse this person name:

Volkhard Löffler-Becker (1200-1241, flourished 1222-1236)
user
first_name: Volkhard
last_name: Löffler-Becker
middle_names: []
temporal:
- start: 1200
  end: 1241
  type: life_span
- start: 1222
  end: 1236
  type: flourished
titles: []
extra_info: []
assistant