Parse this person name:

Gerrit Steenbeek, 1282-1359, flourished 1299-1315
user
first_name: Gerrit
last_name: Steenbeek
middle_names: []
temporal:
- start: 1282
  end: 1359
  type: life_span
- start: 1299
  end: 1315
  type: flourished
titles: []
extra_info: []
assistant