Parse this person name:

Kathleen F. X. Sarah Turner, Lake Madelinestad, flourished 1290-1309
user
first_name: Kathleen
last_name: Turner
middle_names:
- F.
- X.
- Sarah
temporal:
- start: 1290
  end: 1309
  type: flourished
titles: []
extra_info:
- Lake Madelinestad
assistant