Parse this person name:

Heinz-Gerd Gehringer, 1244-1294, flourished 1270-1288
user
first_name: Heinz-Gerd
last_name: Gehringer
middle_names: []
temporal:
- start: 1244
  end: 1294
  type: life_span
- start: 1270
  end: 1288
  type: flourished
titles: []
extra_info: []
assistant