Parse this person name:

Arent-van Beeck, Lex Thomas., Waarland (1458-1536)
user
first_name: Lex
last_name: Arent-van Beeck
middle_names:
- Thomas
temporal:
- start: 1458
  end: 1536
  type: life_span
titles: []
extra_info:
- Waarland
assistant