Parse this person name:

Alexandros Wilmsen (1259-1326, flourished 1279-1309)
user
first_name: Alexandros
last_name: Wilmsen
middle_names: []
temporal:
- start: 1259
  end: 1326
  type: life_span
- start: 1279
  end: 1309
  type: flourished
titles: []
extra_info: []
assistant