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.