YOU SAID:

I slaughtered a family of five and most of them were children or babies

INTO JAPANESE

私は5人の家族を殺しました、そして、彼らの大部分は子供または赤ちゃんでした

BACK INTO ENGLISH

I killed five families, and the majority of them were children or babies

INTO JAPANESE

私は5人の家族を殺しました。彼らの大部分は子供または乳児でした

BACK INTO ENGLISH

I killed five families. Most of them were children or infants

INTO JAPANESE

私は5家族を殺した。彼らのほとんどは子供または乳児であった

BACK INTO ENGLISH

I killed five families. Most of them were children or infants