Parse this person name:

de Bock Frerichs, Megan Ashley Kyan Valerie Lizzy, 1825-1885
user
first_name: Megan
last_name: de Bock Frerichs
middle_names:
- Ashley
- Kyan
- Valerie
- Lizzy
temporal:
- start: 1825
  end: 1885
  type: life_span
titles: []
extra_info: []
assistant