Parse this person name:

Ecrin van Geest, 1224-1270, flourished 1241-1265
user
first_name: Ecrin
last_name: van Geest
middle_names: []
temporal:
- start: 1224
  end: 1270
  type: life_span
- start: 1241
  end: 1265
  type: flourished
titles: []
extra_info: []
assistant