Parse this person name:

Gerrit J. (Gerrit Juliette) Heymans'Kok, 1891-1960
user
first_name: Gerrit
last_name: Heymans'Kok
middle_names:
- Juliette
temporal:
- start: 1891
  end: 1960
  type: life_span
titles: []
extra_info: []
assistant