Parse this person name:

van Wickerode-Helmerhorst, Lieke H. Lex Dave., Wilhelminadorp (1794-1851)
user
first_name: Lieke
last_name: van Wickerode-Helmerhorst
middle_names:
- H.
- Lex
- Dave
temporal:
- start: 1794
  end: 1851
  type: life_span
titles: []
extra_info:
- Wilhelminadorp
assistant