YOU SAID:
my son's daughter's aunt's father took my kids and fed them macaroni and cheese and posted about it on facebook.
INTO JAPANESE
私の息子の娘の叔母の父は私の子供たちを連れて行き、マカロニとチーズを与えて、それについてフェイスブックに投稿しました。
BACK INTO ENGLISH
My son's daughter's aunt's father took my children, gave them macaroni and cheese, and posted about it on Facebook.
INTO JAPANESE
私の息子の娘の叔母の父は私の子供たちを連れて行き、マカロニとチーズを与えて、それについてFacebookに投稿しました。
BACK INTO ENGLISH
My son's daughter's aunt's father took my children, gave them macaroni and cheese, and posted about it on Facebook.
That didn't even make that much sense in English.