Parse this person name:

Klaus-Jürgen Martin, 1207-1263, flourished 1237-1250
user
first_name: Klaus-Jürgen
last_name: Martin
middle_names: []
temporal:
- start: 1207
  end: 1263
  type: life_span
- start: 1237
  end: 1250
  type: flourished
titles: []
extra_info: []
assistant