Parse this person name:

Gerhardt Roht, 1396-1470, flourished 1420-1438
user
first_name: Gerhardt
last_name: Roht
middle_names: []
temporal:
- start: 1396
  end: 1470
  type: life_span
- start: 1420
  end: 1438
  type: flourished
titles: []
extra_info: []
assistant