Parse this person name:

Lena Merle Beau Mallien, Oud Zuilen, 1338-1405
user
first_name: Lena
last_name: Mallien
middle_names:
- Merle
- Beau
temporal:
- start: 1338
  end: 1405
  type: life_span
titles: []
extra_info:
- Oud Zuilen
assistant