Parse this person name:

Brian Aelftrud van Wessex, 1429-1501, flourished 1458-1469
user
first_name: Brian
last_name: Aelftrud van Wessex
middle_names: []
temporal:
- start: 1429
  end: 1501
  type: life_span
- start: 1458
  end: 1469
  type: flourished
titles: []
extra_info: []
assistant