Parse this person name:

Maartje Groenendaal, 1237-1281, flourished 1267-1276
user
first_name: Maartje
last_name: Groenendaal
middle_names: []
temporal:
- start: 1237
  end: 1281
  type: life_span
- start: 1267
  end: 1276
  type: flourished
titles: []
extra_info: []
assistant