Parse this person name:

Thierry J. Alfred Legrand'Guyon, Gautier, 1909-1930
user
first_name: Thierry
last_name: Legrand'Guyon
middle_names:
- J.
- Alfred
temporal:
- start: 1909
  end: 1930
  type: life_span
titles: []
extra_info:
- Gautier
assistant