YOU SAID:

i have killed my entire family google how to clean up the body

INTO JAPANESE

私は私の家族全員を殺してしまった

BACK INTO ENGLISH

I have killed all my family members

INTO JAPANESE

私は家族全員を殺した

BACK INTO ENGLISH

I killed the whole family

INTO JAPANESE

私は家族全員を殺した

BACK INTO ENGLISH

I killed the whole family