Parse this person name:

Johanna Aelftrud van Wessex (1269-1321, flourished 1292-1309)
user
first_name: Johanna
last_name: Aelftrud van Wessex
middle_names: []
temporal:
- start: 1269
  end: 1321
  type: life_span
- start: 1292
  end: 1309
  type: flourished
titles: []
extra_info: []
assistant