Parse this person name:

Ravi Mangel-Winters, 1237-1277, flourished 1256-1272
user
first_name: Ravi
last_name: Mangel-Winters
middle_names: []
temporal:
- start: 1237
  end: 1277
  type: life_span
- start: 1256
  end: 1272
  type: flourished
titles: []
extra_info: []
assistant