Parse this person name:

Heidi Snow-Graves (1397-1461, flourished 1413-1425)
user
first_name: Heidi
last_name: Snow-Graves
middle_names: []
temporal:
- start: 1397
  end: 1461
  type: life_span
- start: 1413
  end: 1425
  type: flourished
titles: []
extra_info: []
assistant