Parse this person name:

Sil Ryan Dex Hugo Ramaker, Sonnega, 1348-1413
user
first_name: Sil
last_name: Ramaker
middle_names:
- Ryan
- Dex
- Hugo
temporal:
- start: 1348
  end: 1413
  type: life_span
titles: []
extra_info:
- Sonnega
assistant