Parse this person name:

Grit Steinberg, 1380-1439, flourished 1395-1421
user
first_name: Grit
last_name: Steinberg
middle_names: []
temporal:
- start: 1380
  end: 1439
  type: life_span
- start: 1395
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant