Parse this person name:

Tirza van Ochten, 1334-1390, flourished 1360-1385
user
first_name: Tirza
last_name: van Ochten
middle_names: []
temporal:
- start: 1334
  end: 1390
  type: life_span
- start: 1360
  end: 1385
  type: flourished
titles: []
extra_info: []
assistant